Perhaps you should try some spelling variations:
thanh tang » thanh thang, thanh trang, thanh tung
van trong » van truong, vang trong, ban trong
tang van » dang van, hoang van, trong van
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cao » toan ban, toan tap
so lieu » so dieu
co lieu » cot lieu, co hieu, cu lieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((so lieu) or (co lieu)) tinh - thanh tang van trong cong tan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so lieu) OR (co lieu)) tinh - thanh tang van trong cong tan toan cao*.