Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
doanh cua » doanh luan
cua nhung » va nhung
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
than ban » thanh ban, toan ban, nhuan ban
than man » than ma, thanh san, tran manh
doi thi » doi thoi, do thi, doi khi
thi anh » thi hanh, thi thanh, thich anh

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: doi thi anh - doanh doanh cua nhung ((cong dan) OR (cong san)) ((than ban) OR (than man))~.
• Adding a wildcard symbol may retrieve word variants: doi thi anh - doanh doanh cua nhung ((cong dan) or (cong san)) ((than ban) or (than man))*.