Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
thanh dung » thanh duong, thanh tung, thanh hung
cong thanh » dong thanh, cong trinh, truong thanh
cua duong » cua dong, cua huong, qua duong
ho chieu » hoc thieu, doi chieu, mot chieu
dung cua » dung luan, dung cho
cong tan » cong tac, cong san, cong ty
van cau » van dau, van hau, van chat

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