Subjects

        Animation (16,23,0)
        Graphic Design (98,49,2)
        Other Arts (58,32,0)
    Arts (823, 439, 9)
        Arts in General (149,158,4)
        Drawing (127,82,1)
        Painting (64,34,0)
        History of Arts (311,61,2)
    Biology (2120, 700, 27)
        Biology in General (1424,517,14)
        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 (1910, 628, 32)
        Chemistry in General (1525,544,30)
        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)
        IT Quality Assurance (32,7,0)
        Search Engine Optimization - SEO (26,9,0)
        Ethical hacking (16,19,2)
        Other Computer Subjects (151,53,2)
        Content Management Systems - CMS (71, 32, 4)
            Joomla (13,10,2)
            Wordpress (43,19,2)
            SQL Language (126,17,0)
    Computers, ICT (6100, 2066, 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)
        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, 94, 7)
            Microsoft Word (224,16,0)
            Microsoft Excel (207,20,1)
            Microsoft PowerPoint (145,5,0)
            Microsoft Access (42,14,2)
            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)
            Other CMS (15,3,0)
        Databases (635, 121, 13)
            Database Theory (145,16,2)
            SQL Server (146,36,4)
            Databases - Oracle (101,29,5)
        Data Communications (71,22,2)
            Databases - MySQL (101,20,1)
            Databases - Teradata (5,1,1)
            Databases - DB2 (11,2,0)
            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)
        Software Development Platforms (300, 89, 6)
            Software Development Platforms in General (36,29,2)
            Microsoft .NET (107,28,0)
            Objective-C (8,2,0)
            Visual Basic (73,14,1)
            Unix Shells (47,13,1)
            Transact-SQL (27,9,2)
            Ruby (1,0,0)
            Swift (3,3,0)
            Python (111,75,12)
            Perl (8,1,0)
            PHP (164,77,14)
            Node.js (2,1,0)
    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)
        Butchery
        Plumbing (2,8,0)
        Blacksmith Works (1,0,0)
        Mechanic Works (2,2,1)
        Other Crafts (26,2,0)
        Construction (5,2,0)
        Carpentry (3,2,0)
        Electric Works (3,1,0)
        Pottery (3,3,0)
        Jewelery (10,3,0)

    Crafts (107, 32, 2)
        Do-it-yourself (52,9,1)
        Quality Assurance (13,2,0)
            Other accounting and ERP software (14,2,0)
        Job Interview Preparation (65,2,0)
        Project Management (75,30,1)
        Tax (72,12,0)
        Finance and Banking (224,87,2)
        Investments (67,12,1)
        Insurance (22,3,0)
        Business Management (310,139,3)
        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)
        Micro-economics (289,52,2)
        Accounting and Bookkeeping (488,91,7)
        Accounting and ERP software (47, 14, 0)
            SAP (26,6,0)
            Quickbooks (7,6,0)
    Economics, Business (2979, 835, 29)
        Economics in General (620,241,8)
        Macro-economics (261,49,2)
        Other Engineering (568,369,20)
        Aviation Engineering (45,24,2)
    Engineering (706, 435, 22)
        Automobile Engineering (76,37,0)
        Motorcycle Engineering (17,5,0)
        History of Asia (36,8,0)
        History of Africa (18,5,0)
        History of Australia (3,1,0)
        Historiography (11,0,0)
        Other History Subjects (44,35,1)
        History of Europe (49,9,1)
        History of the Americas (42,33,2)
        History - Modern (1789-1989) (57,22,0)
        History - Early modern (1492-1789) (54,13,0)
        History - Middle Ages (500-1492) (60,18,1)
        History - Earliest records (2500 - 500 BCE) (31,3,0)
        History - Antiquity (500 BCE - 500 CE) (59,7,0)
    History (1424, 383, 11)
        History in general (851,209,5)
        Contemporary History (100,14,1)
        Pre-historic (< 2500 BCE) (9,6,0)
    Hobbies (162, 58, 1)
        Gardening (19,6,0)
        Graphology, Handwriting Analysis (10,3,0)
        Games (83, 26, 1)
            Chesss (35,3,0)
            Card Games (11,3,0)
            Society Games (2,0,0)
            Computer Games (25,17,0)
        Other Hobbies (50,23,0)
            Other Games (10,3,1)
        Internet Regulations (5,1,0)
        Other Internet subjects (21,7,1)
        Internet Marketing (66,16,2)
        Internet Sociology (10,2,0)
        Internet Services (32,7,1)
    Internet (613, 124, 6)
        Internet in General (373,50,0)
        Internet Technology (106,41,2)
        Other Languages (321,34,2)
        Swahili (148,28,4)
        Swedish (15,3,0)
        Hebrew (18,9,0)
        Hindi-Urdu (181,8,0)
        Italian (1293,82,10)
        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 (1189,213,13)
        Greek (ancient) (192,11,1)
        Greek (modern) (64,4,1)
        Danish (6,1,0)
        Dutch (20,12,3)
        English (5167,823,71)
        Finnish (5,0,0)
        French (1101,239,11)
        German (501,174,18)
        Bulgarian (22,2,0)
        Chinese (Mandarin) (194,48,1)
        Czech (9,1,0)
    Languages (11646, 1865, 140)
        Arabic (310,53,2)
    Law (688, 139, 3)
        Law in General (315,63,1)
        Other Law Subjects (77,17,1)
        Intellectual Property Law (Copyright) (17,1,0)
        International Law (55,11,1)
        Criminal Law (52,24,0)
        Civil Law (76,10,0)
        Public Law (96,13,0)
        Humour (8,2,0)
        Journalism (54,14,0)
        Other Literature Subjects (77,22,5)
        Poetry (119,27,3)
        Spanish Literature (143,15,0)
        Creative Writing (373,62,7)
        Other National Literatures (47,4,0)
        Italian Literature (551,39,0)
        German Literature (63,10,0)
        English Literature (684,214,10)
        French Literature (188,17,0)
        History of Literature (145,8,0)
        Classical Studies (76,13,1)
    Literature, Writing (3226, 611, 35)
        Literature in General (698,164,9)
        Other mathematical subjects (862,242,27)
        Trigonometry (1530,179,6)
        Calculus (1274,215,16)
        Differential equations (856,81,8)
        Matlab (193,41,5)
        Algebra (2117,814,73)

    Mathematics (11020, 2745, 202)
        Mathematics in General (4188,1173,67)
        Video Editing (35,14,0)
        Sound Engineering (8,4,0)
        TV and Radio Production (19,10,0)
        Newspaper and Magazine Publishing (20,6,0)
        Media and Publishing in General (35,37,1)
    Media, TV, Radio, Publishing (117, 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)
    Music (569, 191, 4)
        History of Music (69,17,1)
        Solfege (89,11,0)
        Music software and Technology (17,9,0)
        Piano, Organ (86,34,0)
        Other Philosophy Subjects (76,17,0)
        Philosophical counseling (21,1,0)
    Philosophy (762, 107, 4)
        History of Philosophy (229,23,0)
        Philosophy in General (436,66,4)
        Image Processing Software (27,7,0)
        Other Photography Subjects (10,4,0)
        Analog Photography (10,1,0)
    Photography (104, 51, 0)
        Photography History (14,9,0)
        Digital Photography (43,30,0)
    Physics (2778, 574, 32)
        Physics in General (1873,450,27)
        Electricity and Electronics (537,64,4)
        Other Physics Subjects (368,60,1)
    Politics (177, 60, 4)
        Other Politics Subjects (23,11,2)
        History of Politics (29,7,0)
        Political Science in General (125,42,2)
        Other Mind-related Subjects (72,15,1)
        Emotion (68,9,0)
        Psychotherapy (40,12,0)
        Love and Relationship (70,11,0)
    Psychology (680, 180, 5)
        Psychology in General (350,123,4)
        Motivation (80,10,0)
        Other Religion Subjects (71,11,0)
    Religion (268, 59, 1)
        History of Religions (56,14,0)
        Religion in General (141,34,1)
        How to Overcome Shyness (73,4,0)
        How to Overcome Fears (57,1,0)
        Other Self-improvement Subjects (24,5,0)
        Personal Development (112,11,0)
        How to Increase Self-Esteem (105,3,0)
        How to Increase Motivation (97,3,0)
        Self-improvement in General (237,22,0)
    Self-improvement (705, 49, 0)
    Sports (159, 69, 0)
        Swimming (27,16,0)
        Golf (3,2,0)
        Martial Arts, Self-Defense (27,7,0)
        Ski, Snowboard (1,1,0)
        Skating (2,3,0)
        Other Sports (99,40,0)
        Theatre Directing (13,1,0)
        Other Theatre Subjects (12,5,0)
        Theatre Acting (52,39,0)
        Theatre History (37,5,0)
    Theatre, Drama (114, 50, 0)
        Party Organization (13,2,0)
        Tour and Travel Management (76,29,0)
        Event Management (23,6,1)
        Restaurant Management (16,3,0)
        Hotel Management (36,19,0)
    Tourism and Entertainment (164, 59, 1)
        Statistics (212,68,15)
        Other Sciences and Technologies (95,50,1)
        Quantity surveyor and land surveyor subjects (22,3,0)
        Botany (71,3,0)
        Geology, Earth Sciences (94,44,3)
        Astronomy (18,8,0)
        Zoology (79,7,0)
        Zootechny, Animal Farming (7,3,0)
        Agriculture, Agronomy (35,5,0)
        Ecology, Environment Sciences (101,26,2)
        Architecture (29,10,0)
    Other Sciences (763, 227, 21)
        Anthropology (62,11,0)
        Pedagogy, Education (94,19,1)
        Geography (204,44,0)
        Linguistics (73,24,2)
        Sociology (125,30,0)
        Other Social Sciences (29,19,0)
    Other Social Sciences (742, 180, 5)
        Social Sciences in General (155,33,2)
        Private investigations (detective) (0,1,0)
        Other Subjects (286,202,6)
        Pets and Animals (20,9,0)
        Numerology (7,2,0)
        Psychic Reading (3,5,0)
        Magic, Illusionism, Prestidigitation (1,2,0)
        Dance (29,11,0)
        Disk Jockey (1,0,0)
        Yoga (25,5,0)
        Meditation (23,5,0)
        Reiki (6,1,0)
        Shiatsu Massage
        Astrology and horoscope (8,3,0)
        Public Speaking (109,13,0)
        Life Coaching (84,6,0)
        Archaeology (14,4,0)
        Fashion and Textiles (23,9,2)
    Other (1234, 347, 11)
        Primary School Subjects (569,57,3)
        Antiques (1,5,0)
        Interior design and decoration (25,7,0)