Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu xanh » chieu sang, chieu tinh, hieu manh
dang cong » dung cong
cong danh » cuong danh, cong dan, cong thanh
danh van » doanh van, dang van, dinh van
cong cu » chung cu
cu dang » cua dang, su dang, vu dang

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 cong cu dang cong danh van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sach) OR (chieu xanh)) - thanh cong cu dang cong danh van ban.
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sach) or (chieu xanh)) - thanh cong cu dang cong danh van ban*.