Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
trung cua » truong cua, trung tuan, trung cap
cong vang » cong lang, cong quang, cong ngang
thanh hai » thanh phan, thanh hoa, thanh san
cua dang » cua cong, cua ban
cong san » cong tac
than cap » khan cap, thanh lap, thanh cac

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

• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - thanh trung cua dang ((cong vang) OR (cong san)) ((than cap) OR (thanh hai))~.
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - thanh trung cua dang ((cong vang) or (cong san)) ((than cap) or (thanh hai))*.