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
nhan man » nhan dan, nhan van, nhan mac
nhan ma » nhan mac, nhan va, nhan my

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 ((nhan ma) or (nhan 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 ((nhan ma) OR (nhan man)).
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) or (hoc thieu)) tinh - hanh tran van dung trong dan ((nhan ma) or (nhan man))*.