Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
hieu quang » thieu quang, hieu quan, hieu qua
canh doanh » hanh doanh, chinh doanh, doanh doanh
doanh cua » doanh luan
dang cong » dung cong
cua dang » cua cong, cua ban
cong tan » cong tac, cong san, cong thanh
tan van » tran van, tang van, luan van
van cau » van dau, van hau, van chat

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu tinh) or (hieu quang)) - canh doanh cua dang cong tan van cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu tinh) OR (hieu quang)) - canh doanh cua dang cong tan van cau*.