Perhaps you should try some spelling variations:
"te sach hoi va giai cong thong minh" » "te sach hoi va giai cong thuong minh", "te sach hoi va giai cong trong minh", "te sach hoi va giai dong thong minh", "te sach hoi va giai cong hoang minh", "te sach hoi va gia cong thong minh", "te sach hoi va giao cong thong minh", "te sach hoi va giai phong thong minh", "te sach doi va giai cong thong minh", "te sach moi va giai cong thong minh", "te cach thoi va giai cong thong minh", "toc sach hoi va giai cong thong minh"
"tu sach phan mem nguoi con thong tin" » "tu sach han mem nguoi con thong tin", "tu mach phan mem nguoi con thong tin", "tu sach phat mem nguoi con thong tin", "tu sach phan em nguoi con thong tin", "tu sach phan me nguoi con thong tin", "tu sach phan moi nguoi con thong tin", "tu sach phan mem nguoi cong thong tin", "tu sach phan mem nguoi co thong tin", "tu sach phan mem nguoi cor thong tin", "tu sach phan mem nguoi con hong tin", "tu sach phan mem nguoi cong thuong tin", "tu sach phan mem nguoi toan thong tin", "thu sach phan mem nguoi con thong tin", "su sach phan mem nguoi con thong tin", "tu cach phan mem nguoi con thong tin"

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 phan mem nguoi con thong tin") or ("te sach hoi va giai cong thong minh"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("tu sach phan mem nguoi con thong tin") OR ("te sach hoi va giai cong thong minh"))*.
• Removing quotes may allow a broader search: (( tu sach phan mem nguoi con thong tin ) or ( te sach hoi va giai cong thong minh ))*.