Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
doanh han » doanh nhan, doanh hoan, doanh phan
cua dang » cua cong, cua ban
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
han cua » hang cua, nhan cua, than cua
thi hao » thi thao, thi hai, thi ha

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 xanh) OR (chieu sach)) - doanh han cua dang ((cong dan) or (cong san)) thi hao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chieu sach)) - doanh han cua dang ((cong dan) OR (cong san)) thi hao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu xanh) OR (chieu sach)) - doanh han cua dang ((cong dan) or (cong san)) thi hao".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) OR (chieu sach)) - doanh han cua dang ((cong dan) or (cong san)) thi hao*.