Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
canh doanh » hanh doanh, chinh doanh, doanh doanh
doi chieu » doc hieu, doi chi, mot chieu
cua tong » cua cong, cua dong, cua song
cua nong » cua cong, cuu nong, cua dong
cong tap » cuong tap, cong tac, cong tan
tap toan » tap doan, tap quan, bai toan
toan ban » van ban

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - canh doanh ((cua tong) OR (cua nong)) cong tap toan ban~".
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - canh doanh ((cua tong) OR (cua nong)) cong tap toan ban*.