Perhaps you should try some spelling variations:
"su sach phan mem nguoi hoi thong minh" » "su sach phan mem nguoi hoi thong tin", "su sach phan mem nguoi hoi hoang minh", "su sach han mem nguoi hoi thong minh", "su mach phan mem nguoi hoi thong minh", "su sach phat mem nguoi hoi thong minh", "su sach phan em nguoi hoi thong minh", "su sach phan me nguoi hoi thong minh", "su sach phan moi nguoi hoi thong minh", "su sach phan mem nguoi khoi thong minh", "su sach phan mem nguoi moi thong minh", "su sach phan mem nguoi noi thong minh", "su sach phan mem nguoi hoi thuong minh", "su sach phan mem nguoi hoi trong minh", "su sach phan mem nguoi hoa thong minh", "so sach phan mem nguoi hoi thong minh", "vu sach phan mem nguoi hoi thong minh"
"tu cach cha me giao cong trong kinh" » "tu cach cha me giao cong thuong kinh", "tu cach cha me giao duong trong kinh", "tu cach cha me giao cong trinh kinh", "tu cach cha me gia cong trong kinh", "tu cach cha me giao thong trong kinh", "tu cach cha me cao cong trong kinh", "tu cach pha me giao cong trong kinh", "tu cach cua me giao cong trong kinh", "tu canh cha me giao cong trong kinh", "tu cac cha me giao cong trong kinh", "tu cach cha te giao cong trong kinh", "tu cach cha mo giao cong trong kinh", "tu cach cha ve giao cong trong kinh"

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: (("tu cach cha me giao cong trong kinh") or ("su sach phan mem nguoi hoi thong minh"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("tu cach cha me giao cong trong kinh") OR ("su sach phan mem nguoi hoi thong minh")).
• Removing quotes may allow a broader search: (( tu cach cha me giao cong trong kinh ) or ( su sach phan mem nguoi hoi thong minh )).
• Adding a wildcard symbol may retrieve word variants: (("tu cach cha me giao cong trong kinh") or ("su sach phan mem nguoi hoi thong minh"))*.