Subjects

    Arts (823, 438, 9)
        Arts in General (149,157,4)
        History of Arts (311,61,2)
        Painting (64,34,0)
        Drawing (127,82,1)
        Animation (16,23,0)
        Graphic Design (98,49,2)
        Other Arts (58,32,0)
    Biology (2118, 700, 27)
        Biology in General (1422,517,14)
        Genetics (332,93,9)
        Other Biology Subjects (364,90,4)
    Body and Health (1009, 297, 22)
        Body in General (135,52,1)
        Anatomy and Physiology (314,86,13)
        Alternative Medicine (42,10,2)
        Medicine and Health (141,62,3)
        First Aid Training (54,8,0)
        Pharmacology (125,24,2)
        Dietetics (44,7,0)
        Sexuality (41,26,0)
        Cosmetics (21,3,0)
        Personal Training (49,8,0)
        Other Body Subjects (43,11,1)
    Chemistry (1909, 628, 32)
        Chemistry in General (1524,544,30)
        Other Chemistry Subjects (385,84,2)
    Cinema (120, 39, 0)
        Cinema in General (49,15,0)
        Cinema History (42,7,0)
        Cinema Acting (11,7,0)
        Cinema Directing (9,7,0)
        Other Cinema Subjects (9,3,0)
    Computers, ICT (6100, 2065, 201)
        Computers in General (1019,444,17)
        Computer Literacy (238,48,1)
        Programming Languages (2351, 979, 129)
            Programming Languages in General (241,77,5)
            C (113,15,3)
            C++ (388,96,10)
            C# (174,145,25)
            Java (457,281,40)
            HTML/CSS (329,90,9)
            Javascript (205,80,7)
            PHP (164,77,14)
            Node.js (2,1,0)
            Objective-C (8,2,0)
            Visual Basic (73,14,1)
            Python (111,75,12)
            Perl (8,1,0)
            Swift (3,3,0)
            Ruby (1,0,0)
            Transact-SQL (27,9,2)
            Unix Shells (47,13,1)
        Software Development Platforms (300, 89, 6)
            Software Development Platforms in General (36,29,2)
            Microsoft .NET (107,28,0)
            Apache MySQL PHP (59,11,2)
            Java Development Platform (98,21,2)
            Amazon Alexa Skills
        Software development for mobile devices (56, 16, 3)
            iOS software development (10,2,0)
            Android software development (42,12,3)
            Software development for other mobile systems (4,2,0)
        Content Management Systems - CMS (71, 32, 4)
            Joomla (13,10,2)
            Wordpress (43,19,2)
            Other CMS (15,3,0)
        Databases (635, 121, 13)
            Database Theory (145,16,2)
            SQL Server (146,36,4)
            Databases - Oracle (101,29,5)
            Databases - DB2 (11,2,0)
            Databases - Teradata (5,1,1)
            Databases - MySQL (101,20,1)
            SQL Language (126,17,0)
        Data Communications (71,22,2)
        Data Security (37,17,2)
        Operating Systems (282, 72, 7)
            Unix (39,13,1)
            Windows (152,20,0)
            Linux (74,36,6)
            Mac OS (17,3,0)
        Computer Applications (735, 93, 7)
            Microsoft Word (224,16,0)
            Microsoft Excel (207,20,1)
            Microsoft PowerPoint (145,5,0)
            Microsoft Access (42,13,2)
            AutoCAD (48,20,4)
            Adobe Photoshop (38,11,0)
            Apple Final Cut (1,1,0)
            Maxon Cinema 4D (0,1,0)
            Desktop Publishing Software (6,1,0)
            Other computer applications (24,5,0)
        IT Project Management (80,44,6)
        IT Quality Assurance (32,7,0)
        Search Engine Optimization - SEO (26,9,0)
        Ethical hacking (16,19,2)
        Other Computer Subjects (151,53,2)
    Cooking, Food and Drink (249, 70, 2)
        Cooking, food and drink in general (122,37,1)
        Italian Cuisine (48,5,1)
        French Cuisine (9,5,0)
        Oriental Cuisine (11,3,0)
        Pastry (19,3,0)
        Wine making, Enology (1,2,0)
        Wine tasting (1,1,0)
        Beer making (2,0,0)
        Other Food and Drink Subjects (36,14,0)
    Crafts (107, 32, 2)
        Do-it-yourself (52,9,1)
        Pottery (3,3,0)
        Jewelery (10,3,0)
        Carpentry (3,2,0)
        Electric Works (3,1,0)
        Construction (5,2,0)
        Butchery
        Plumbing (2,8,0)
        Blacksmith Works (1,0,0)
        Mechanic Works (2,2,1)
        Other Crafts (26,2,0)

    Economics, Business (2976, 835, 29)
        Economics in General (619,241,8)
        Macro-economics (261,49,2)
        Micro-economics (288,52,2)
        Accounting and Bookkeeping (488,91,7)
        Accounting and ERP software (47, 14, 0)
            SAP (26,6,0)
            Quickbooks (7,6,0)
            Other accounting and ERP software (14,2,0)
        Tax (72,12,0)
        Finance and Banking (224,87,2)
        Investments (67,12,1)
        Insurance (22,3,0)
        Business Management (309,139,3)
        Public Relations (25,5,0)
        Marketing (191,58,1)
        Advertising (45,6,0)
        Procurements (6,4,0)
        Human Resource Management (121,27,2)
        Personnel Recruiting (15,0,0)
        Job Search (23,1,0)
        Job Interview Preparation (65,2,0)
        Project Management (75,30,1)
        Quality Assurance (13,2,0)
    Engineering (706, 434, 22)
        Automobile Engineering (76,37,0)
        Motorcycle Engineering (17,5,0)
        Aviation Engineering (45,24,2)
        Other Engineering (568,368,20)
        Other History Subjects (44,35,1)
        History of Africa (18,5,0)
        History of Australia (3,1,0)
        Historiography (11,0,0)
        History - Modern (1789-1989) (57,22,0)
        History of Asia (36,8,0)
        History of Europe (49,9,1)
        History of the Americas (42,33,2)
        History - Early modern (1492-1789) (54,13,0)
        History - Middle Ages (500-1492) (60,18,1)
        History - Antiquity (500 BCE - 500 CE) (59,7,0)
        Pre-historic (< 2500 BCE) (9,6,0)
        History - Earliest records (2500 - 500 BCE) (31,3,0)
        Contemporary History (100,14,1)
        History in general (850,209,5)
    History (1423, 383, 11)
        Games (83, 26, 1)
            Chesss (35,3,0)
            Card Games (11,3,0)
            Society Games (2,0,0)
            Computer Games (25,17,0)
            Other Games (10,3,1)
        Other Hobbies (50,23,0)
    Hobbies (162, 58, 1)
        Gardening (19,6,0)
        Graphology, Handwriting Analysis (10,3,0)
        Internet Technology (106,41,2)
        Internet Services (32,7,1)
        Internet Regulations (5,1,0)
        Internet Sociology (10,2,0)
        Internet Marketing (66,16,2)
        Other Internet subjects (21,7,1)
    Internet (613, 124, 6)
        Internet in General (373,50,0)
        Arabic (310,52,2)
        Bulgarian (22,2,0)
        Chinese (Mandarin) (194,48,1)
        Czech (9,1,0)
        Danish (6,1,0)
        Dutch (20,12,3)
        English (5164,823,71)
        Finnish (5,0,0)
        French (1099,239,11)
        German (501,174,18)
        Greek (modern) (64,4,1)
        Greek (ancient) (192,11,1)
        Hebrew (18,9,0)
        Hindi-Urdu (181,8,0)
        Italian (1292,82,10)
        Indonesian (13,6,0)
        Latin (363,27,0)
        Norwegian (4,0,0)
        Japanese (63,26,0)
        Polish (26,0,0)
        Portuguese (123,21,1)
        Russian (284,34,1)
        Sanskrit (14,6,1)
        Spanish (1189,212,13)
        Swahili (148,28,4)
        Swedish (15,3,0)
        Other Languages (322,34,2)
    Languages (11641, 1863, 140)
        Other Law Subjects (77,17,1)
        Civil Law (76,10,0)
        Criminal Law (52,24,0)
        International Law (55,11,1)
        Intellectual Property Law (Copyright) (17,1,0)
        Public Law (96,13,0)
        Law in General (315,63,1)
    Law (688, 139, 3)
        Other National Literatures (47,4,0)
        Other Literature Subjects (77,22,5)
        Journalism (54,14,0)
        Humour (8,2,0)
        Poetry (119,27,3)
        Creative Writing (373,62,7)
        English Literature (683,214,10)
        French Literature (188,17,0)
        Italian Literature (551,39,0)
        Spanish Literature (143,15,0)
        History of Literature (145,8,0)
        German Literature (63,10,0)
        Classical Studies (76,13,1)
    Literature, Writing (3225, 611, 35)
        Literature in General (698,164,9)
        Trigonometry (1529,179,6)
        Calculus (1274,215,16)
        Other mathematical subjects (861,242,27)
        Matlab (193,41,5)
        Differential equations (855,81,8)
        Algebra (2116,813,73)
        Mathematics in General (4186,1173,67)

    Mathematics (11014, 2744, 202)
        Newspaper and Magazine Publishing (19,6,0)
        Sound Engineering (8,4,0)
        TV and Radio Production (19,10,0)
        Video Editing (35,14,0)
        Media and Publishing in General (35,37,1)
    Media, TV, Radio, Publishing (116, 71, 1)
        Other Music Subjects (59,15,0)
        Harmonica (1,0,0)
        Violin (12,14,0)
        Singing (88,32,2)
        Other musical instruments (33,21,0)
        Guitar (69,23,1)
        Bass Guitar (18,4,0)
        Flute (18,5,0)
        Drums, Percussions (10,6,0)
        Piano, Organ (86,34,0)
        Solfege (89,11,0)
        Music software and Technology (17,9,0)
    Music (569, 191, 4)
        History of Music (69,17,1)
        Philosophy in General (436,66,4)
        Philosophical counseling (21,1,0)
        Other Philosophy Subjects (76,17,0)
    Philosophy (762, 107, 4)
        History of Philosophy (229,23,0)
    Photography (104, 51, 0)
        Photography History (14,9,0)
        Digital Photography (43,30,0)
        Analog Photography (10,1,0)
        Image Processing Software (27,7,0)
        Other Photography Subjects (10,4,0)
    Physics (2776, 574, 32)
        Physics in General (1871,450,27)
        Electricity and Electronics (537,64,4)
        Other Physics Subjects (368,60,1)
    Politics (177, 60, 4)
        Political Science in General (125,42,2)
        History of Politics (29,7,0)
        Other Politics Subjects (23,11,2)
        Love and Relationship (70,11,0)
        Other Mind-related Subjects (72,15,1)
        Psychology in General (350,123,4)
        Motivation (80,10,0)
        Emotion (68,9,0)
        Psychotherapy (40,12,0)
    Psychology (680, 180, 5)
    Religion (268, 59, 1)
        History of Religions (56,14,0)
        Religion in General (141,34,1)
        Other Religion Subjects (71,11,0)
        Other Self-improvement Subjects (24,5,0)
        How to Overcome Fears (57,1,0)
        How to Overcome Shyness (73,4,0)
        How to Increase Motivation (97,3,0)
        How to Increase Self-Esteem (105,3,0)
        Personal Development (112,11,0)
        Self-improvement in General (237,22,0)
    Self-improvement (705, 49, 0)
        Skating (2,3,0)
        Other Sports (99,40,0)
        Ski, Snowboard (1,1,0)
        Golf (3,2,0)
        Martial Arts, Self-Defense (27,7,0)
    Sports (159, 69, 0)
        Swimming (27,16,0)
        Theatre Acting (52,39,0)
        Theatre Directing (13,1,0)
        Other Theatre Subjects (12,5,0)
    Theatre, Drama (114, 50, 0)
        Theatre History (37,5,0)
        Party Organization (13,2,0)
        Tour and Travel Management (76,29,0)
        Event Management (23,6,1)
        Restaurant Management (16,3,0)
    Tourism and Entertainment (164, 59, 1)
        Hotel Management (36,19,0)
        Botany (71,3,0)
        Statistics (212,68,15)
        Other Sciences and Technologies (95,50,1)
    Other Sciences (762, 227, 21)
        Agriculture, Agronomy (35,5,0)
        Quantity surveyor and land surveyor subjects (22,3,0)
        Geology, Earth Sciences (94,44,3)
        Zootechny, Animal Farming (7,3,0)
        Zoology (79,7,0)
        Astronomy (17,8,0)
        Ecology, Environment Sciences (101,26,2)
        Architecture (29,10,0)
        Pedagogy, Education (94,19,1)
        Geography (204,44,0)
        Linguistics (73,24,2)
        Anthropology (62,11,0)
        Other Social Sciences (29,19,0)
        Sociology (125,30,0)
        Social Sciences in General (155,33,2)
    Other Social Sciences (742, 180, 5)
        Other Subjects (286,202,6)
        Private investigations (detective) (0,1,0)
        Pets and Animals (20,9,0)
        Magic, Illusionism, Prestidigitation (1,2,0)
        Psychic Reading (3,5,0)
        Numerology (7,2,0)
        Shiatsu Massage
        Astrology and horoscope (8,3,0)
        Reiki (6,1,0)
        Meditation (23,5,0)
        Disk Jockey (1,0,0)
        Yoga (25,5,0)
        Dance (29,11,0)
        Life Coaching (84,6,0)
        Public Speaking (109,13,0)
        Fashion and Textiles (23,9,2)
        Archaeology (14,4,0)
        Antiques (1,5,0)
        Interior design and decoration (25,7,0)
    Other (1234, 347, 11)
        Primary School Subjects (569,57,3)