Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
doi chieu » doc hieu, doi chi, ho chieu
bang cong » dang cong, bang song, hang cong
thanh lap » thanh san, phan lap, thanh hai
tam bang » tao bang, tam ban, thai bang
cong dan » cong san, cong tan, huong dan
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 (doi chieu)) sach - thanh trung tam bang cong dan ((than cau) or (thanh lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (doi chieu)) sach - thanh trung tam bang cong dan ((than cau) OR (thanh lap)).
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (doi chieu)) sach - thanh trung tam bang cong dan ((than cau) or (thanh lap))*.