Perhaps you should try some spelling variations:
thanh trung » thanh tung
thuong cong » thong cong, thuong con, thuong dong
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
ha thuong » han thuong, hai thuong, va thuong
ban thanh » ban hanh, ban hang
trung ha » trung hoc, trung tam, trung cap
ban than » van thanh, ban hang, ban hanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu xanh) or (chieu sach)) - thanh trung ha thuong cong ((ban than) OR (ban thanh)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chieu sach)) - thanh trung ha thuong cong ((ban than) OR (ban thanh)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu xanh) or (chieu sach)) - thanh trung ha thuong cong ((ban than) OR (ban thanh)) cau".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) or (chieu sach)) - thanh trung ha thuong cong ((ban than) OR (ban thanh)) cau*.