Perhaps you should try some spelling variations:
chinh doanh » kinh doanh
hieu sang » chieu sang, hieu lang, hieu quang
doanh cua » doanh luan
cua nhung » va nhung
doc hieu » toc thieu, hoc thieu, hoc hien
cong dan » cong san, huong dan, cong dong
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
toan cau » toan cao, toan ban, toan tap

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

• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu sang - chinh doanh cua nhung ((cong dan) OR (((cong tan) OR (cong tac)))) toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc hieu sang - chinh doanh cua nhung ((cong dan) or (((cong tan) OR (cong tac)))) toan cau~".
• Adding a wildcard symbol may retrieve word variants: doc hieu sang - chinh doanh cua nhung ((cong dan) or (((cong tan) OR (cong tac)))) toan cau*.