Perhaps you should try some spelling variations:
doanh luan » doanh nhan
hanh doanh » hang doanh, chinh doanh, doanh doanh
luan dung » lan dung, luan dong, luan hung
toc hieu » toc thieu, doc hieu, hoc thieu
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
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: ((toc hieu) OR (hoc hien)) manh - hanh doanh luan dung ((cong dan) OR (cong san)) toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((toc hieu) or (hoc hien)) manh - hanh doanh luan dung ((cong dan) OR (cong san)) toan cau~".
• Adding a wildcard symbol may retrieve word variants: ((toc hieu) or (hoc hien)) manh - hanh doanh luan dung ((cong dan) OR (cong san)) toan cau*.