Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh tranh » canh tranh, hanh trinh, hanh trang
doi chau » doi chieu, gioi chau, hoi chu
tranh va » tranh van, trang va, trinh va
ban than » ban thanh, van thanh, ban hanh
ban hang » ngan hang
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chau) or (doi chi)) tinh - hanh tranh va nhung cong ((ban than) or (ban hang)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chau) OR (doi chi)) tinh - hanh tranh va nhung cong ((ban than) OR (ban hang)) cau.
• Adding a wildcard symbol may retrieve word variants: ((doi chau) or (doi chi)) tinh - hanh tranh va nhung cong ((ban than) or (ban hang)) cau*.