Perhaps you should try some spelling variations:
chieu sang » chieu sach, hieu lang, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
bang cuong » tang cuong, bang cong, bang suong
cuong danh » cuon danh, huong dan, cuong linh
danh toan » manh toan, anh toan, dan toan
cua bang » chua bang, cua ban, cua dang
toan ban » van ban

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 xanh)) - ((thanh tung) or (thanh cong)) cua bang cuong danh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sang) OR (chieu xanh)) - ((thanh tung) OR (thanh cong)) cua bang cuong danh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu sang) OR (chieu xanh)) - ((thanh tung) or (thanh cong)) cua bang cuong danh toan ban".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sang) OR (chieu xanh)) - ((thanh tung) or (thanh cong)) cua bang cuong danh toan ban*.