Perhaps you should try some spelling variations:
luan nhung » luan chung, luan hung, quan nhung
nhung cong » dung cong, thong cong, hang cong
chuc danh » chuc nganh, thuc hanh, chuc nang
chua xang » chua nang, chuc nang, chu bang
bang luan » tang luan, hang luan, dung luan
anh bang » anh hoang, anh quang, tinh bang
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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

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