Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung thanh » truong thanh
theo chieu » theo tieu, ho chieu, theo chu
thanh hang » thanh hoang, thanh thang, tranh hang
doi chieu » doc hieu, doi chi, ho chieu
thanh cau » thanh chau, thanh mau, nhanh cau
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac

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) OR (doi chieu)) xanh - thanh trung thanh hang ((cong tan) OR (cong san)) thanh cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (doi chieu)) xanh - thanh trung thanh hang ((cong tan) OR (cong san)) thanh cau~".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (doi chieu)) xanh - thanh trung thanh hang ((cong tan) OR (cong san)) thanh cau*.