Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
nhung cong » dung cong, thong cong, hang cong
hieu lang » chieu sang, hieu quang, nhieu tang
cua nhung » va nhung
hoi hieu » hoi phieu, hoi tieu, moi hieu
cong dan » cong san, cong tan, huong dan
gian cap » gian cac, gian cam, gian cham

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoi hieu lang - ((kinh doanh) or (doanh doanh)) cua nhung cong dan gian cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoi hieu lang - ((kinh doanh) OR (doanh doanh)) cua nhung cong dan gian cap.
• Adding a wildcard symbol may retrieve word variants: hoi hieu lang - ((kinh doanh) or (doanh doanh)) cua nhung cong dan gian cap*.