Perhaps you should try some spelling variations:
hang doanh » nhung doanh, van doanh, dung doanh
hanh doanh » chinh doanh, doanh doanh, kinh doanh
nhung cong » dung cong, thong cong, hang cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
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) OR (hang 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) OR (hang doanh)) cua nhung cong tac van ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((hieu manh) or (trieu tinh)) - ((hanh doanh) OR (hang doanh)) cua nhung cong tac van ban".
• Adding a wildcard symbol may retrieve word variants: doi ((hieu manh) or (trieu tinh)) - ((hanh doanh) OR (hang doanh)) cua nhung cong tac van ban*.