Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh dung » thanh duong, thanh tung, thanh hung
hieu lang » chieu sang, hieu quang, nhieu tang
hang cong » dang cong, hang nong, bang cong
cho hang » cho thanh, cho phan, thi hang
cong dan » cong san, cong tan, huong dan
dan van » dang van, doan van, dao van

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((hieu lang) or (chieu xanh)) - thanh dung cho hang cong dan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((hieu lang) OR (chieu xanh)) - thanh dung cho hang cong dan van ban.
• Adding a wildcard symbol may retrieve word variants: doi ((hieu lang) or (chieu xanh)) - thanh dung cho hang cong dan van ban*.