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
trung va » truong va, trang va, trung ha
va duong » van duong, va tuong, va huong
cong ban » cong bang, cong tan, cong dan
cong san » cong tac
phan cau » phan dau, phan cac, phan tu

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 va duong ((cong ban) OR (cong san)) phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (doi chieu)) sach - thanh trung va duong ((cong ban) OR (cong san)) phan cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (doi chieu)) sach - thanh trung va duong ((cong ban) OR (cong san)) phan cau*".