Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
phong cong » phong chong, thong cong, chong cong
doi chieu » doc hieu, doi chi, ho chieu
tranh van » tran van, trinh van, thanh van
van phong » van dong, hai phong
ban than » ban thanh, van thanh, ban hang
dan chan » dan gian, dan ca, van chat

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu tinh - canh tranh van phong cong ((ban than) or (dan chan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu tinh - canh tranh van phong cong ((ban than) OR (dan chan)) cau.
• Adding a wildcard symbol may retrieve word variants: doi chieu tinh - canh tranh van phong cong ((ban than) or (dan chan)) cau*.