Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu xanh » chieu sang, chieu tinh, hieu manh
thanh dung » thanh duong, thanh tung, thanh hung
luan hang » luan nang, luan han, luan hung
hang cong » dang cong, hang nong, bang cong
cong danh » cuong danh, cong dan, cong thanh
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 sach) or (chieu xanh)) - thanh dung luan hang cong danh van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sach) OR (chieu xanh)) - thanh dung luan hang cong danh van ban.
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sach) or (chieu xanh)) - thanh dung luan hang cong danh van ban*.