Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
khong cong » thong cong, khong cang, chong cong
dung khoi » dung khoa, dang khoi, hung khoi
ban thanh » ban hanh, ban hang
thanh tap » thanh lap, thanh tai, thanh tay
anh dung » anh dong, anh huong, sach dung
cong ban » cong bang, cong san, cong tan

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)) - anh dung khoi khong cong ban thanh tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) OR (chieu sang)) - anh dung khoi khong cong ban thanh tap".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) OR (chieu sang)) - anh dung khoi khong cong ban thanh tap*.