Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chuc danh » chuc nganh, thuc hanh, thuc dan
chua xang » chua nang, chu bang, chua dong
cua nhung » va nhung
anh tang » anh bang, anh dang, anh nang
tang cua » mang cua, hang cua, tang luan
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.

• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((((chuc danh) OR (chuc nang))) OR (chua xang)) - anh tang cua nhung cong dan toan cau~.
• Adding a wildcard symbol may retrieve word variants: theo ((((chuc danh) or (chuc nang))) or (chua xang)) - anh tang cua nhung cong dan toan cau*.