Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh tranh » canh tranh, hanh trinh, lanh tranh
hanh trang » thanh trung, canh tranh, hanh trinh
thong danh » thong dan, thong lanh, trong danh
cua thong » cua thuong, cua khong, cua tong
danh toan » manh toan, anh toan, dan toan
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 ((thieu nhi) or (chieu xanh)) - ((hanh tranh) OR (hanh trang)) cua thong thong danh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu nhi) OR (chieu xanh)) - ((hanh tranh) OR (hanh trang)) cua thong thong danh toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu nhi) or (chieu xanh)) - ((hanh tranh) OR (hanh trang)) cua thong thong danh toan tap".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu nhi) or (chieu xanh)) - ((hanh tranh) OR (hanh trang)) cua thong thong danh toan tap*.