Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
canh doanh » hanh doanh, chinh doanh, doanh doanh
doanh luan » doanh nhan
chung nang » chang nang, chung nam, nhung lang
ho chieu » theo chieu, hoc thieu, doi chieu
phan dau » phan tu
hang dau » hang va, hang tai
chuc » thuc, chu, chua

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 luan ((chung nang) or (chuc nang)) suat ((phan dau) OR (hang dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - canh doanh luan ((chung nang) OR (chuc nang)) suat ((phan dau) OR (hang dau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - canh doanh luan ((chung nang) or (chuc nang)) suat ((phan dau) OR (hang dau))".
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - canh doanh luan ((chung nang) or (chuc nang)) suat ((phan dau) OR (hang dau))*.