Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
hieu manh » chieu xanh, hieu nganh, hieu van
doanh cua » doanh luan
hang cong » dang cong, hang nong, bang cong
cua hang » cua dang, cua nhung, cua cong
cong dan » cong san, cong tan, huong dan
dan choi » dan hoi, dam choi, dan cho
choi tu » hoi tu, cho tu, chon tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((hien hanh) or (((hieu manh) or (dieu hanh)))) - doanh doanh cua hang cong dan choi tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hien hanh) OR (((hieu manh) OR (dieu hanh)))) - doanh doanh cua hang cong dan choi tu.
• Adding a wildcard symbol may retrieve word variants: doc ((hien hanh) or (((hieu manh) or (dieu hanh)))) - doanh doanh cua hang cong dan choi tu*.