Perhaps you should try some spelling variations:
thanh doan » thinh doan, thanh loan, thanh dan
thanh toan » thanh hoa, thanh san, tinh toan
tuan hung » tran hung, luan hung, tuan dung
hung cong » nhung cong, hung cuong, phung cong
cong tang » cong thang, cong tan, cong lang
chi hanh » chi nhanh, chi thanh, thi hanh
tang van » dang van, hoang van, trong van
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi hanh - ((thanh doan) or (thanh toan)) tuan hung cong tang van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi hanh - ((thanh doan) OR (thanh toan)) tuan hung cong tang van ban*.