Perhaps you should try some spelling variations:
thanh trung » thanh tung
chua xang » chua nang, chuc nang, chua dong
trung cua » truong cua, trung tuan, trung cap
chu bang » thu bang, chuc nang, chu quang
cua dang » cua cong, cua ban
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
hang ca » hang va, nang cao, hang tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chua xang) or (chu bang)) - thanh trung cua dang ((cong tan) OR (cong san)) hang ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chua xang) OR (chu bang)) - thanh trung cua dang ((cong tan) OR (cong san)) hang ca.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chua xang) or (chu bang)) - thanh trung cua dang ((cong tan) OR (cong san)) hang ca".
• Adding a wildcard symbol may retrieve word variants: theo ((chua xang) or (chu bang)) - thanh trung cua dang ((cong tan) OR (cong san)) hang ca*.