Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, theo chu, thi chieu
trung cua » truong cua, trung tuan, trung cap
cua duong » cua dong, cua huong, qua duong
ho chieu » hoc thieu, doi chieu, mot chieu
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
bang cau » hang cau, bang cac, nang cao

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 (ho chieu)) sach - thanh trung cua duong ((cong tan) OR (cong san)) bang cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (ho chieu)) sach - thanh trung cua duong ((cong tan) OR (cong san)) bang cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (ho chieu)) sach - thanh trung cua duong ((cong tan) OR (cong san)) bang cau".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (ho chieu)) sach - thanh trung cua duong ((cong tan) OR (cong san)) bang cau*.