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

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi thi hanh - doanh doanh cua nhung ((cong tan) or (huong dan)) ((thanh ban) or (than man))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi thi hanh - doanh doanh cua nhung ((cong tan) OR (huong dan)) ((thanh ban) OR (than man)).
• Adding a wildcard symbol may retrieve word variants: doi thi hanh - doanh doanh cua nhung ((cong tan) or (huong dan)) ((thanh ban) or (than man))*.