Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
thi chieu » thi chien, thi hieu, thi hien
trung cua » truong cua, trung tuan, trung cap
dong san » cong san, dong bang, dong von
san than » sang than, san thanh, ban than
than cau » toan cau, phan cau, than cap

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

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