Perhaps you should try some spelling variations:
chinh doanh » kinh doanh
chieu sang » chieu sach, chieu xanh, hieu lang
toc chieu » toc thieu, doc hieu, hoc thieu
dung cong » dung trong
cong than » cong thanh, cong thang, cong tan
doanh su » doanh sieu, doanh thu, doanh cua
phan dau » phan tu, hang dau
phan van » pham van, thanh van, luan van

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc chieu sang - chinh doanh su dung cong than ((phan dau) or (phan van))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc chieu sang - chinh doanh su dung cong than ((phan dau) OR (phan van))*.