Perhaps you should try some spelling variations:
thanh trung » thanh tung
chao chua » chao chu, cha chua, chay chua
chua xang » chua nang, chuc nang, chu bang
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
cong ban » cong bang, cong tan, cong dan
cong san » cong tac
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: chao chua xang - thanh trung cua nhung ((cong ban) or (cong san)) than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chao chua xang - thanh trung cua nhung ((cong ban) OR (cong san)) than cau.
• Adding a wildcard symbol may retrieve word variants: chao chua xang - thanh trung cua nhung ((cong ban) or (cong san)) than cau*.