Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
chieu sang » chieu sach, chieu xanh, hieu lang
canh doan » canh dan, chan doan, cong doan
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
cong van » cong vang, cong san, song van
phan dau » hang dau
va dung » van dung, va duong, vat dung

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