Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chiet tach, chieu sang
trung cua » truong cua, trung tuan, trung cap
cua hang » cua dang, cua nhung, cua cong
cong dan » cong san, cong tan, cong dong
than cau » toan cau, phan cau, than cap
hieu ca » hieu cac, hieu cua, hieu va

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu sach) or (hieu ca)) - thanh trung cua hang ((cong dan) or (huong dan)) than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu sach) OR (hieu ca)) - thanh trung cua hang ((cong dan) OR (huong dan)) than cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu sach) or (hieu ca)) - thanh trung cua hang ((cong dan) or (huong dan)) than cau*.