Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chai tinh » chau tinh, thai tinh, cham tinh
cong doan » cong dan, cong hoan, dong doanh
doan phan » doanh phan, toan phan, dan phan
chi binh » chi minh, thi binh, thai binh
tranh va » tranh van, trang va, trinh va
phan dau » phan tu, hang dau

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

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