Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
nhan nhung » nhien nhung, tham nhung, nhan nhanh
gian nhung » gian vung, gioi nhung
hieu manh » chieu xanh, hieu nganh, dieu hanh
hoc hieu » hoc thieu, hoc hien, doc hieu
cong tan » cong tac, cong san, cong thanh
tan gian » tran gian, dan gian, van gian
gian cau » gian chau, gian cac, gian cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hieu manh - hanh doanh ((nhan nhung) or (gian nhung)) cong tan gian cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - hanh doanh ((nhan nhung) OR (gian nhung)) cong tan gian cau.
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - hanh doanh ((nhan nhung) or (gian nhung)) cong tan gian cau*.