Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
doi chieu » doc hieu, doi chi, ho chieu
trong san » trong cac, dong san, trong ca
thanh cac » hanh cac, thanh bac, thanh ca
tung cua » trung cua, tuong cua, dung cua
cua dung » cua dang, cua dong, qua dung
cong san » cong tac
thai cua » than cua, tai cuc, tri cua

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