Perhaps you should try some spelling variations:
thanh trung » thanh tung
chiet tach » chieu sach
trung cap » truong cao, trung tam
dang cong » dung cong
ban thanh » ban hanh, ban hang
cap dang » cao dang, cac dang, cap bang
dan than » dan chan, ban than, van than

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chiet tach) or (chinh sach)) - thanh trung cap dang cong ((dan than) or (ban thanh)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chiet tach) OR (chinh sach)) - thanh trung cap dang cong ((dan than) OR (ban thanh)) cau.
• Adding a wildcard symbol may retrieve word variants: ho ((chiet tach) or (chinh sach)) - thanh trung cap dang cong ((dan than) or (ban thanh)) cau*.