Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
thanh dung » thanh duong, thanh tung, thanh hung
trong tan » trong quan, trong cac, trong ca
trong san » trong cac, cong san, dong san
dung dan » dung dat, dung san, tung dan
dan dung » van dung, tin dung, ap dung
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu xanh) or (chieu sang)) - thanh dung dan dung ((trong tan) or (trong san)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chieu sang)) - thanh dung dan dung ((trong tan) OR (trong san)) toan cao.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (chieu sang)) - thanh dung dan dung ((trong tan) or (trong san)) toan cao*.