Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh doanh » hang doanh, chinh doanh, doanh doanh
hieu manh » chieu xanh, hieu nganh, dieu hanh
doanh cua » doanh luan
cua nhung » va nhung
cong tac » cong ty
tac van » tac vang, cac van, tac va

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((hieu manh) or (trieu tinh)) - hanh doanh cua nhung cong tac van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((hieu manh) OR (trieu tinh)) - hanh doanh cua nhung cong tac van ban.
• Adding a wildcard symbol may retrieve word variants: doi ((hieu manh) or (trieu tinh)) - hanh doanh cua nhung cong tac van ban*.