Perhaps you should try some spelling variations:
thanh hoang » thanh cong, thanh hoa, tran hoang
thanh toan » thanh hoa, thanh san, tinh toan
dang cong » dung cong
doc hieu » hoc thieu, hoc hien
cua dang » cua cong, cua ban
cong van » cong vang, cong san, song van
van than » van thanh, van thang, van tuan
than cao » toan cao, thai cao, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((toc thieu) or (doc hieu)) xanh - ((thanh hoang) or (thanh toan)) cua dang cong van than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc thieu) OR (doc hieu)) xanh - ((thanh hoang) OR (thanh toan)) cua dang cong van than cao.
• Adding a wildcard symbol may retrieve word variants: ((toc thieu) or (doc hieu)) xanh - ((thanh hoang) or (thanh toan)) cua dang cong van than cao*.