Perhaps you should try some spelling variations:
hoc chieu » ho chieu, hoc hien, hoc dieu
hoc thieu » toc thieu, hoc hien
hanh tran » hanh trang, thanh tran, hanh tram
trong dan » trong dang, trong san, trong tan
tran van » luan van
van dung » van dong, xay dung, tin dung
khan man » than man, khanh van, khac manh
khan ma » nhan ma, than ma, khan maaz

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc chieu) or (hoc thieu)) tinh - hanh tran van dung trong dan ((khan ma) or (khan man))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (hoc thieu)) tinh - hanh tran van dung trong dan ((khan ma) OR (khan man)).
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) or (hoc thieu)) tinh - hanh tran van dung trong dan ((khan ma) or (khan man))*.