Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, hieu lang, nhieu tang
thanh dung » thanh duong, thanh tung, thanh hung
doanh phan » doan phan, doanh thanh, doanh luan
tong cong » trong cong, cong cong, dung cong
dung cua » dung luan, dung cho
cua tong » cua cong, cua dong, cua nong

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu sach) or (chieu sang)) - thanh dung cua tong cong ((doanh phan) OR (doanh nhan)) cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chieu sang)) - thanh dung cua tong cong ((doanh phan) OR (doanh nhan)) cac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sach) or (chieu sang)) - thanh dung cua tong cong ((doanh phan) OR (doanh nhan)) cac".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (chieu sang)) - thanh dung cua tong cong ((doanh phan) OR (doanh nhan)) cac*.