Perhaps you should try some spelling variations:
chinh doanh » kinh doanh
doanh luan » doanh nhan
theo yeu » theo tieu, thiet yeu, theo chu
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
toan cau » toan cao, toan ban, toan tap
theo te » theo tu, theo tieu

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: ((theo te) OR (theo yeu)) sach - chinh doanh luan van ((cong tan) OR (cong tac)) toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo te) OR (theo yeu)) sach - chinh doanh luan van ((cong tan) or (cong tac)) toan cau~".
• Adding a wildcard symbol may retrieve word variants: ((theo te) OR (theo yeu)) sach - chinh doanh luan van ((cong tan) or (cong tac)) toan cau*.