Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
bien tinh » bi tinh, yen tinh, diep tinh
doanh cua » doanh luan
cua nhung » va nhung
hang luan » tang luan, dung luan
cot bien » mot bien, dot bien, chat bien
cong tan » cong tac, cong san, cong thanh
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: cot bien tinh - doanh doanh cua nhung ((hang luan) or (cong tan)) phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cot bien tinh - doanh doanh cua nhung ((hang luan) OR (cong tan)) phan cau.
• Adding a wildcard symbol may retrieve word variants: cot bien tinh - doanh doanh cua nhung ((hang luan) or (cong tan)) phan cau*.