Perhaps you should try some spelling variations:
thanh trung » thanh tung
chua xang » chua nang, chu bang, chua dong
trung cua » truong cua, trung tuan, trung cap
cua trong » cua truong, cua trung, qua trong
cong van » cong vang, song van, cong tan
cong san » cong tac
toan cao » toan ban, toan tap
chuc » thuc, chu, phuc

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

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