Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
nhieu tang » chieu sang, hieu lang, nhiet nang
thanh tung » thanh cong
dung cong » dung trong
cong sang » cong san, cong lang, cong vang
sang than » cang thang, dang thanh, sang tao
tung tac » tuong tac, ung tac, trung tam
tac dung » sach dung, xay dung, tin dung
than cap » khan cap, thanh lap, thanh cac

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 (nhieu tang)) - thanh tung tac dung cong sang than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (nhieu tang)) - thanh tung tac dung cong sang than cap.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (nhieu tang)) - thanh tung tac dung cong sang than cap*.