Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
doi chieu » doc hieu, doi chi, ho chieu
tranh van » tran van, trinh van, thanh van
dung cong » dung trong
van thanh » ban thanh, van tuan
van dung » van dong, xay dung, tin dung
dan than » dan chan, ban than, van than

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 xanh - canh tranh van dung cong ((dan than) or (van thanh)) cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - canh tranh van dung cong ((dan than) OR (van thanh)) cap.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - canh tranh van dung cong ((dan than) or (van thanh)) cap*.