Perhaps you should try some spelling variations:
thanh tran » thanh trang, thanh toan, thanh tra
hieu lang » chieu sang, hieu quang, nhieu tang
van nhung » van nhuong, va nhung, van hung
doi hieu » doi chieu, doc hieu, doi hien
tran van » luan van
cong van » cong vang, song van, cong tan
cong tac » cong ty
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi hieu lang - thanh tran van nhung ((cong van) or (((cong san) or (cong tac)))) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi hieu lang - thanh tran van nhung ((cong van) OR (((cong san) OR (cong tac)))) toan cao.
• Adding a wildcard symbol may retrieve word variants: doi hieu lang - thanh tran van nhung ((cong van) or (((cong san) or (cong tac)))) toan cao*.