Perhaps you should try some spelling variations:
doanh thanh » danh thanh, doanh nhan, dinh thanh
hanh doanh » hang doanh, chinh doanh, doanh doanh
phung cong » nhung cong, phong cong, nhung chong
hieu manh » chieu xanh, hieu nganh, dieu hanh
hung cong » nhung cong, hung cuong, dung cong
hoc hieu » hoc thieu, hoc hien, doc hieu
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 - hanh doanh thanh ((hung cong) or (phung cong)) dan gian cam~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - hanh doanh thanh ((hung cong) OR (phung cong)) dan gian cam.
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - hanh doanh thanh ((hung cong) or (phung cong)) dan gian cam*.