Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
canh tinh » hanh tinh, manh tinh, nhanh tinh
toan hanh » toan thanh, toan anh, tran hanh
hanh cong » thanh cong, hang cong, hanh dong
cong than » cong thanh, cong thang, cong tan
than phan » thanh phan, toan phan, thanh pham
ho chieu » theo chieu, hoc thieu, mot chieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - ((canh tranh) or (canh tinh)) toan hanh cong than phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - ((canh tranh) OR (canh tinh)) toan hanh cong than phan tu.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - ((canh tranh) or (canh tinh)) toan hanh cong than phan tu*.