Perhaps you should try some spelling variations:
chieu sang » chieu sach, hieu lang, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
thanh tung » thanh cong
quan trong » gian trong
tung quan » tuong quan, trung quan, dung quan
ban thanh » ban hanh, ban hang
thanh tap » thanh lap, thanh tai, thanh tay
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: ho ((chieu sang) or (chieu xanh)) - thanh tung quan trong cong ban thanh tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (chieu xanh)) - thanh tung quan trong cong ban thanh tap.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (chieu xanh)) - thanh tung quan trong cong ban thanh tap*.