Perhaps you should try some spelling variations:
thanh trung » thanh tung
chiet tach » chieu sach
nhieu tang » chieu sang, hieu lang, nhiet nang
trung va » truong va, trang va, trung ha
ban cong » bang cong, van cong, phan cong
cong ban » cong bang, cong san, cong tan
ban than » ban thanh, van thanh, ban hang
than ban » thanh ban, toan ban, than man
va ban » van ban, va bai, va bao

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

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