Perhaps you should try some spelling variations:
thanh trung » thanh tung
chua xang » chua nang, chuc nang, chu bang
chuc danh » chuc nganh, thuc hanh, chuc nang
dung cong » dung trong
chu xanh » chu manh, chieu xanh, chu thanh
trung va » truong va, trang va, trung ha
cong tan » cong tac, cong san, cong thanh
tran cau » tran chau, toan cau, ran cau
va dung » van dung, va duong, vat dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: cho ((((chu xanh) OR (chuc danh))) or (chua xang)) - thanh trung va dung cong tan tran cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho ((((chu xanh) OR (chuc danh))) OR (chua xang)) - thanh trung va dung cong tan tran cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "cho ((((chu xanh) OR (chuc danh))) or (chua xang)) - thanh trung va dung cong tan tran cau".
• Adding a wildcard symbol may retrieve word variants: cho ((((chu xanh) OR (chuc danh))) or (chua xang)) - thanh trung va dung cong tan tran cau*.