Perhaps you should try some spelling variations:
chinh doanh » kinh doanh
hieu manh » chieu xanh, hieu nganh, dieu hanh
nhan hung » nhanh hung, phan hung, thanh hung
cuong dan » cuong danh, huong dan, cong dan
gian chau » gian cham, gian cua, gian cac
hoc hieu » hoc thieu, hoc hien, doc hieu
nhan ung » phan ung, han ung, nham ung
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 hung) OR (nhan ung)) cuong dan ((gian chau) or (gian cam))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - chinh doanh ((nhan hung) OR (nhan ung)) cuong dan ((gian chau) OR (gian cam)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hieu manh - chinh doanh ((nhan hung) OR (nhan ung)) cuong dan ((gian chau) or (gian cam))".
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - chinh doanh ((nhan hung) OR (nhan ung)) cuong dan ((gian chau) or (gian cam))*.