Perhaps you should try some spelling variations:
thanh trung » thanh tung
van thanh » ban thanh, van tuan
trung cua » truong cua, trung tuan, trung cap
thanh cao » thanh ca, thanh cac, thanh thao
lieu van » lieu va, hieu van, sieu van
ban cong » bang cong, van cong, phan cong
cong van » cong vang, cong san, song van

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 (lieu van)) - thanh trung cua ban cong van thanh cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chinh sach) OR (lieu van)) - thanh trung cua ban cong van thanh cao.
• Adding a wildcard symbol may retrieve word variants: ho ((chinh sach) or (lieu van)) - thanh trung cua ban cong van thanh cao*.