Perhaps you should try some spelling variations:
thanh trung » thanh tung
chuc danh » chuc nganh, thuc hanh, chuc nang
chua xang » chua nang, chuc nang, chu bang
trung cua » truong cua, trung tuan, trung cap
cong cong » cong dong, trong cong, dung cong
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap

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

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