Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
chiet tach » chieu sach
nhan nhung » nhien nhung, tham nhung, gian nhung
nhung cong » dung cong, thong cong, hang cong
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
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: hoc ((chiet tach) or (thi thanh)) - doanh doanh nhan nhung cong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chiet tach) OR (thi thanh)) - doanh doanh nhan nhung cong dan toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((chiet tach) or (thi thanh)) - doanh doanh nhan nhung cong dan toan cau*.