Perhaps you should try some spelling variations:
cuong cong » cong cong, luong cong, duong cong
chuc danh » chuc nganh, thuc hanh, chuc nang
thu bang » thu ban, thu hang, chu bang
lang van » dang van, hoang van, giang van
tang van » dang van, hoang van, trong van
cong san » cong tac
san tan » van tan, san van, san tay
tan tap » toan tap, han tap, tan tat

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 (thu bang)) - nhanh ((lang van) or (tang van)) cuong cong san tan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chuc danh) OR (thu bang)) - nhanh ((lang van) OR (tang van)) cuong cong san tan tap.
• Adding a wildcard symbol may retrieve word variants: theo ((chuc danh) or (thu bang)) - nhanh ((lang van) or (tang van)) cuong cong san tan tap*.