Perhaps you should try some spelling variations:
chinh doanh » kinh doanh
hieu manh » chieu xanh, hieu nganh, dieu hanh
doanh cua » doanh luan
cong tang » cong thang, cong lang, cong vang
doc hieu » toc thieu, hoc thieu, hoc hien
cua hang » cua dang, cua nhung, cua cong
cong tan » cong tac, cong san, cong thanh

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

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