Perhaps you should try some spelling variations:
canh doanh » hanh doanh, chinh doanh, doanh doanh
hiem ngan » kim ngan, viem gan
chua nang » chuc nang, chua xang, kha nang
doc hiem » doc hieu, hoc hien, doc viet
cua bang » chua bang, cua ban, cua dang
cong tan » cong tac, cong san, cong thanh
tran cau » tran chau, toan cau, ran cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hiem ngan - canh doanh ((cua bang) or (chua nang)) cong tan tran cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hiem ngan - canh doanh ((cua bang) OR (chua nang)) cong tan tran cau*.