Perhaps you should try some spelling variations:
chinh doanh » kinh doanh
hieu manh » chieu xanh, hieu nganh, dieu hanh
nhung don » nhung van, nhung bo
dung cong » dung trong
hoc hieu » hoc thieu, hoc hien, doc hieu
gian cau » gian chau, gian cac, gian cu
gian cam » gian cham, gian cac, gia 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 - chinh doanh nhan ((nhung don) or (dung cong)) dan ((gian cau) or (gian cam))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - chinh doanh nhan ((nhung don) OR (dung cong)) dan ((gian cau) OR (gian cam)).
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - chinh doanh nhan ((nhung don) or (dung cong)) dan ((gian cau) or (gian cam))*.