Perhaps you should try some spelling variations:
nang quan » ban quan, nang suat
ganh nang » anh nang, nganh nong, van nang
quan dung » quang dung, quan duong, qua dung
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
toan ban » van ban
chu van » cuu van, chu han

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chi minh) or (chu van)) - ganh nang quan dung ((cong dan) or (cong san)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chi minh) OR (chu van)) - ganh nang quan dung ((cong dan) OR (cong san)) toan ban.
• Adding a wildcard symbol may retrieve word variants: theo ((chi minh) or (chu van)) - ganh nang quan dung ((cong dan) or (cong san)) toan ban*.