Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
canh trinh » canh tranh, hanh trinh, anh trinh
nhung hung » nhung huong, nhung dung, nhung vung
canh tinh » hanh tinh, manh tinh, canh tranh
van nhung » van nhuong, va nhung, van hung
hung manh » nhung manh, hung anh, tung manh
ho chieu » theo chieu, hoc thieu, doi chieu
toan cau » toan cao, toan ban, toan tai
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: ho chieu sach - ((canh trinh) OR (canh tinh)) van nhung hung manh ((toan cau) OR (toan tap))~.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - ((canh trinh) or (canh tinh)) van nhung hung manh ((toan cau) or (toan tap))*.