Perhaps you should try some spelling variations:
thanh tung » thanh cong
thanh dung » thanh duong, thanh hung, hanh dung
theo chua » theo chu, ho chua, cheo cua
chua xang » chua nang, chuc nang, chu bang
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
tran tap » toan tap, tran tan, tran tuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chua xang - ((thanh trung) or (thanh tung)) thanh dung ((cong tan) OR (cong tac)) tran tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chua xang - ((thanh trung) OR (thanh tung)) thanh dung ((cong tan) OR (cong tac)) tran tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chua xang - ((thanh trung) or (thanh tung)) thanh dung ((cong tan) OR (cong tac)) tran tap".
• Adding a wildcard symbol may retrieve word variants: theo chua xang - ((thanh trung) or (thanh tung)) thanh dung ((cong tan) OR (cong tac)) tran tap*.