Perhaps you should try some spelling variations:
tranh cua » doanh cua, manh cua
hang cong » dang cong, hang nong, bang cong
yen tinh » tuyen tinh
cua hang » cua dang, cua nhung, cua cong
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, than cap
bi tinh » vi tinh
cot » cost

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

• If you are trying to use Boolean operators, they must be ALL CAPS: cot ((yen tinh) OR (bi tinh)) - canh tranh cua hang cong dan than cao~.
• Adding a wildcard symbol may retrieve word variants: cot ((yen tinh) or (bi tinh)) - canh tranh cua hang cong dan than cao*.