Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
doi chieu » doc hieu, doi chi, ho chieu
anh hoang » thanh hoang, minh hoang, tnhh hoang
dong cong » duong cong, dung cong, dang cong
thanh cac » hanh cac, thanh bac, thanh ca
anh bang » anh quang, tinh bang, anh dong
cua dong » chua dong, cua cong, cua dang
cong dan » cong san, cong tan, huong dan
khan ap » khan cap, han ap, khan dam

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 - ((anh bang) OR (anh hoang)) cua dong cong dan ((thanh cac) or (khan ap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - ((anh bang) OR (anh hoang)) cua dong cong dan ((thanh cac) OR (khan ap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - ((anh bang) OR (anh hoang)) cua dong cong dan ((thanh cac) or (khan ap))".
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - ((anh bang) OR (anh hoang)) cua dong cong dan ((thanh cac) or (khan ap))*.