Perhaps you should try some spelling variations:
hoc thieu » hoc hien
hanh tran » hanh trang, thanh tran, hanh tram
hung cong » nhung cong, hung cuong, phung cong
tran van » luan van
van hung » van dung, manh hung, van duong
cong dan » cong san, cong tan, huong dan
toan tai » doanh tai, toan ban, toan cao
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thieu) or (toc thieu)) xanh - hanh tran van hung cong dan ((toan tai) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (toc thieu)) xanh - hanh tran van hung cong dan ((toan tai) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (toc thieu)) xanh - hanh tran van hung cong dan ((toan tai) or (toan tap))*.