Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
chong cong » cong cong, thong cong, cuong cong
cua chong » cua cong, cua chung, cua khong
tung cua » trung cua, tuong cua, dung cua
cong san » cong tac
san van » tan van, luan van, tran van

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: cho ((chieu xanh) or (chieu sach)) - thanh tung cua chong cong san van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho ((chieu xanh) OR (chieu sach)) - thanh tung cua chong cong san van ban*.