Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
doanh cua » doanh luan
chu sang » thu sang, chieu sang, chuc nang
chu bang » thu bang, chuc nang, chu quang
dong dan » dong danh, duong dan, dong san
dan khan » dan khanh, dan chan, dan than
khan ap » khan cap, han ap, khan dam

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chu sang) or (chu bang)) - hanh doanh cua cong dong dan khan ap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu sang) OR (chu bang)) - hanh doanh cua cong dong dan khan ap.
• Adding a wildcard symbol may retrieve word variants: theo ((chu sang) or (chu bang)) - hanh doanh cua cong dong dan khan ap*.