Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hoc chieu » hoc thieu, ho chieu, hoc hien
canh manh » lanh manh, canh tranh, van manh
chua bang » chu bang, chua nang, chua xang
song danh » song hanh, cong danh, dong danh
song xanh » song hanh, hoang xanh, duong xanh
nhan cau » nhanh cau, phan cau, nhan sau

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 sach - ((canh manh) OR (cach mang)) chua bang ((song danh) or (song xanh)) nhan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - ((canh manh) OR (cach mang)) chua bang ((song danh) OR (song xanh)) nhan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu sach - ((canh manh) OR (cach mang)) chua bang ((song danh) or (song xanh)) nhan cau".
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - ((canh manh) OR (cach mang)) chua bang ((song danh) or (song xanh)) nhan cau*.