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
phan phong » phan hong, phan thong, khanh phong
phap phong » hai phong, phap phan
cong ban » cong bang, cong san, cong tan
ban than » ban thanh, van thanh, ban hang
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 (chieu sang)) - thanh dung ((phan phong) OR (phap phong)) cong ban than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chieu sang)) - thanh dung ((phan phong) OR (phap phong)) cong ban than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) or (chieu sang)) - thanh dung ((phan phong) OR (phap phong)) cong ban than cap".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (chieu sang)) - thanh dung ((phan phong) OR (phap phong)) cong ban than cap*.