History 51 Economic conditions 23 Foreign relations 22 Investments, Foreign 20 English language 17 Foreign economic relations 16 Politics and government 16 History and criticism 15 Commerce 14 Management 14 Study and teaching 14 Chinese 13 Economic policy 13 Civilization 11 Economic aspects 11 Teachers 11 Investments, Singaporean 10 Prices 9 Social aspects 9 Study and teaching (Higher) 9 International business enterprises 8 Joint ventures 8 Attitudes 7 Economic development 7 Government policy 7 Religious aspects 7 Business enterprises 6 China 6 Chinese language 6 Foreign speakers 6