Perhaps you should try some spelling variations:
tieu tinh » trieu tinh, tieu trinh, lieu tinh
tranh van » tran van, trinh van, tranh ban
thanh van » thanh san, thanh toan, thanh phan
dang cong » dung cong
cong dan » cong san, cong tan, huong dan
dan hang » ban hang, van hang, dat hang
hang dau » hang va, hang tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu tinh - canh ((tranh van) or (thanh van)) dang cong dan hang dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu tinh - canh ((tranh van) OR (thanh van)) dang cong dan hang dau.
• Adding a wildcard symbol may retrieve word variants: theo tieu tinh - canh ((tranh van) or (thanh van)) dang cong dan hang dau*.