Perhaps you should try some spelling variations:
chieu sang » chieu xanh, hieu lang, nhieu tang
chieu sach » chinh sach, chiet tach, chieu xanh
thanh dung » thanh duong, thanh tung, thanh hung
bang cong » dang cong, bang song, hang cong
cho bang » cao bang, cho hang, cho ban
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 ((chieu sang) OR (chieu sach)) - thanh dung cho bang cong dan van ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu sang) OR (chieu sach)) - thanh dung cho bang cong dan van ban".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sang) OR (chieu sach)) - thanh dung cho bang cong dan van ban*.