Perhaps you should try some spelling variations:
dong doanh » dung doanh, trong doanh, doanh doanh
hieu manh » chieu xanh, hieu nganh, dieu hanh
tranh cua » doanh cua, manh cua
cong doan » cong dan, cong hoan, cong san
hoc hieu » hoc thieu, hoc hien, doc hieu
cua hang » cua dang, cua nhung, cua cong
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: hoc hieu manh - canh tranh cua hang ((cong doan) or (dong doanh)) phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - canh tranh cua hang ((cong doan) OR (dong doanh)) phan cau*.