Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chuc danh » chuc nganh, thuc hanh, chuc nang
chua xang » chua nang, chuc nang, chu bang
hang hang » nang hang, cang thang, hung thang
ca nhung » cua nhung, cam nhung, va nhung
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan ban » van ban
hang ca » hang va, nang cao, hang tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chuc danh) or (chua xang)) - hang hang ca nhung cong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chuc danh) OR (chua xang)) - hang hang ca nhung cong dan toan ban*.