Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
theo bien » thieu bien, theo tieu, che bien
bien tinh » bi tinh, yen tinh, diep tinh
tranh cua » doanh cua, manh cua
cua nhung » va nhung
thanh cac » hanh cac, thanh bac, thanh ca
cong tan » cong tac, cong san, cong thanh
than cau » toan cau, phan cau, than cap
toan tap » toan ban

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: theo bien tinh - canh tranh cua nhung cong tan ((((than cau) OR (toan tap))) OR (thanh cac))~.
• Adding a wildcard symbol may retrieve word variants: theo bien tinh - canh tranh cua nhung cong tan ((((than cau) or (toan tap))) or (thanh cac))*.