Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chuc danh » chuc nganh, thuc hanh, chuc nang
cac nganh » hoc nganh
chua xang » chua nang, chuc nang, chu bang
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 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 (cac nganh))) OR (chua xang)) - anh tang cua nhung cong dan toan cao~.
• Adding a wildcard symbol may retrieve word variants: theo ((((chuc danh) or (cac nganh))) or (chua xang)) - anh tang cua nhung cong dan toan cao*.