Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
hanh tranh » canh tranh, hanh trinh, hanh trang
chua bang » chu bang, chua nang, chua xang
song danh » song hanh, cong danh, song xanh
danh toan » manh toan, anh toan, dan toan
cua bang » cua ban, cua dang, cua hang
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu xanh) or (chieu sach)) - hanh tranh ((cua bang) OR (chua bang)) song danh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (chieu sach)) - hanh tranh ((cua bang) OR (chua bang)) song danh toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) or (chieu sach)) - hanh tranh ((cua bang) OR (chua bang)) song danh toan tap".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (chieu sach)) - hanh tranh ((cua bang) OR (chua bang)) song danh toan tap*.