Perhaps you should try some spelling variations:
doanh doanh » doanh hoan, doanh thanh, dong doanh
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
cong manh » cong danh, duong manh, cong thanh
cong dan » cong san, cong tan, huong dan
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu sach - ((doanh doanh) OR (toan doanh)) va nhung ((cong manh) or (cong dan)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - ((doanh doanh) OR (toan doanh)) va nhung ((cong manh) OR (cong dan)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - ((doanh doanh) OR (toan doanh)) va nhung ((cong manh) or (cong dan)) toan cau".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - ((doanh doanh) OR (toan doanh)) va nhung ((cong manh) or (cong dan)) toan cau*.