Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
hang doanh » hanh doanh, nhung doanh, van doanh
song danh » song hanh, cong danh, song xanh
danh toan » manh toan, anh toan, dan toan
cua bang » chua bang, cua dang, cua hang
toan tap » toan ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (chieu sang)) - hang doanh ((cua bang) OR (cua ban)) song danh toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) OR (chieu sang)) - hang doanh ((cua bang) or (cua ban)) song danh toan tap~".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) OR (chieu sang)) - hang doanh ((cua bang) or (cua ban)) song danh toan tap*.