Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thong dong » thong duong, thuong dong, thong cong
doi chieu » doc hieu, doi chi, ho chieu
trung cua » truong cua, trung tuan, dung cua
trung cap » truong cao, trung tam
dong ban » dong bang, dong san, dong bac
hanh cac » hang cac, hanh cat, nhanh cay
hanh cad » hanh cat, hanh cap, nhanh cay

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 ((trung cua) or (trung cap)) thong dong ban ((hanh cac) or (hanh cad))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - thanh ((trung cua) OR (trung cap)) thong dong ban ((hanh cac) OR (hanh cad)).
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - thanh ((trung cua) or (trung cap)) thong dong ban ((hanh cac) or (hanh cad))*.