Perhaps you should try some spelling variations:
thanh trung » thanh tung
thanh chau » thanh cha, thanh cham, thanh chu
chua xang » chuc nang, chu bang, chua dong
chua nang » chuc nang, kha nang, cuu nang
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
dong san » cong san, dong von, dong ha

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 (chua nang)) - thanh trung cua nhung ((dong bang) OR (dong san)) thanh chau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chua xang) OR (chua nang)) - thanh trung cua nhung ((dong bang) OR (dong san)) thanh chau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chua xang) or (chua nang)) - thanh trung cua nhung ((dong bang) OR (dong san)) thanh chau".
• Adding a wildcard symbol may retrieve word variants: theo ((chua xang) or (chua nang)) - thanh trung cua nhung ((dong bang) OR (dong san)) thanh chau*.