Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
hieu manh » chieu xanh, hieu nganh, hien hanh
nhan hung » nhanh hung, phan hung, nhan ung
hung cong » nhung cong, hung cuong, phung cong
gian chau » gian cham, gian cua, gian cac
dung dan » dung dat, dung san, tung dan
cong dan » cong san, cong tan, huong dan

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) or (dieu hanh)) - ((hanh doanh) or (dung dan)) nhan hung cong dan gian chau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu manh) OR (dieu hanh)) - ((hanh doanh) OR (dung dan)) nhan hung cong dan gian chau.
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu manh) or (dieu hanh)) - ((hanh doanh) or (dung dan)) nhan hung cong dan gian chau*.