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

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