Perhaps you should try some spelling variations:
chieu sang » chieu xanh, hieu lang, nhieu tang
chieu sach » chinh sach, chiet tach, chieu xanh
bang suong » bang song, bang tuong, bang phuong
suong danh » cuong danh, song danh, phuong danh
cong chuc » cong thuc, cong cu, cong cua
chuc bang » chuc nang, chu bang, chua bang
danh van » doanh van, dang van, dinh 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 cong chuc bang suong danh van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sang) OR (chieu sach)) - thanh cong chuc bang suong danh van ban.
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sang) or (chieu sach)) - thanh cong chuc bang suong danh van ban*.