Perhaps you should try some spelling variations:
"so sach nha le nguoi dong phuong trinh" » "so sach nha le nguoi dong chuong trinh", "so sach nha le nguoi dong cong trinh", "so sach nha le nguoi dong huong tran", "so sach nha le nguoi duong phuong trinh", "so sach nha le nguoi dung phuong trinh", "so sach nha le nguoi dong huong trinh", "so sach nha le nguoi cong phuong trinh", "so sach nha le nguoi vong phuong trinh", "so sach nha lam nguoi dong phuong trinh", "so sach nha den nguoi dong phuong trinh", "so sach nha loi nguoi dong phuong trinh", "so sanh nha le nguoi dong phuong trinh", "co sach nha le nguoi dong phuong trinh", "hoc sach nha le nguoi dong phuong trinh", "so sach nhat le nguoi dong phuong trinh", "so sach ha le nguoi dong phuong trinh", "so sach nha lo nguoi dong phuong trinh"
"bo sach nha ly nguoi dong phuong tien" » "bo sach nha ly nguoi duong phuong tien", "bo sach nha ly nguoi dung phuong tien", "bo sach nha ly nguoi dong huong tien", "bo sach nha ly nguoi cong phuong tien", "bo sach nha ly nguoi vong phuong tien", "bo sach nha tay nguoi dong phuong tien", "bo sach nha lam nguoi dong phuong tien", "bo sach nha loi nguoi dong phuong tien", "co sach nha ly nguoi dong phuong tien", "hoc sach nha ly nguoi dong phuong tien"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("bo sach nha ly nguoi dong phuong tien") or ("so sach nha le nguoi dong phuong trinh"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("bo sach nha ly nguoi dong phuong tien") OR ("so sach nha le nguoi dong phuong trinh")).
• Removing quotes may allow a broader search: (( bo sach nha ly nguoi dong phuong tien ) or ( so sach nha le nguoi dong phuong trinh )).
• Adding a wildcard symbol may retrieve word variants: (("bo sach nha ly nguoi dong phuong tien") or ("so sach nha le nguoi dong phuong trinh"))*.