Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thanh tran » thanh trang, thanh toan, thanh tra
hoc thieu » toc thieu, hoc hien
van nhung » van nhuong, va nhung, van hung
cong tang » cong thang, cong lang, cong vang
tran van » luan van
cong tan » cong tac, cong san, cong thanh
thoi cac » thoai cac, tho cac, hoi cac

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 xanh - thanh tran van nhung ((cong tan) or (cong tang)) thoi cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh tran van nhung ((cong tan) OR (cong tang)) thoi cac.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh tran van nhung ((cong tan) or (cong tang)) thoi cac*.