Perhaps you should try some spelling variations:
tranh cua » doanh cua, manh cua
cua nhung » va nhung
nhung don » nhung van, nhung bo
doan phan » doanh phan, toan phan, dan phan
chi tinh » chai tinh, chi minh, cha tinh
chi binh » chi minh, thi binh, thai binh
don doan » dong doanh, von doanh, cong doan

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chi tinh) or (chi binh)) - canh tranh cua nhung don doan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chi tinh) OR (chi binh)) - canh tranh cua nhung don doan phan tu.
• Adding a wildcard symbol may retrieve word variants: doi ((chi tinh) or (chi binh)) - canh tranh cua nhung don doan phan tu*.