Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
trung tang » trung thang, trong tang, trung thanh
theo chau » theo chu, theo phap, theo cap
tang dung » tang duong, dang dung, tan dung
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
toan tap » toan ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chau) OR (theo chieu)) tinh - thanh trung tang dung ((cong tan) or (cong san)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chau) OR (theo chieu)) tinh - thanh trung tang dung ((cong tan) OR (cong san)) toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chau) OR (theo chieu)) tinh - thanh trung tang dung ((cong tan) or (cong san)) toan tap".
• Adding a wildcard symbol may retrieve word variants: ((theo chau) OR (theo chieu)) tinh - thanh trung tang dung ((cong tan) or (cong san)) toan tap*.