Perhaps you should try some spelling variations:
doanh thanh » danh thanh, doanh nhan, dinh thanh
chieu sang » chieu sach, chieu xanh, hieu lang
canh doanh » hanh doanh, chinh doanh, doanh doanh
luan dung » lan dung, luan dong, luan hung
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than ban » thanh ban, toan ban, than man

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sang - ((canh doanh) or (doanh thanh)) luan dung cong dan than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - ((canh doanh) OR (doanh thanh)) luan dung cong dan than ban*.