Perhaps you should try some spelling variations:
"te sach bao me giai con thong minh" » "te sach bao me giai con hoang minh", "te sach bao me giai cong thong minh", "te sach bao me giai con hong minh", "te sach bao me giai cong thuong minh", "te sach dao me giai con thong minh", "te sach bai me giai con thong minh", "te sach bac me giai con thong minh", "te sach bao me gian con thong minh", "te sach bao me giai doan thong minh", "te sach bao me giao cong thong minh", "toc sach bao me giai con thong minh", "te sach bao de giai con thong minh", "te sach bao ve giai con thong minh", "te sach bao ke giai con thong minh", "te sach ba me giai con thong minh", "te sach bo me giai con thong minh"
"su sach phan mem nguoi co thong tin" » "su sach han mem nguoi co thong tin", "su mach phan mem nguoi co thong tin", "su sach phat mem nguoi co thong tin", "su sach phan em nguoi co thong tin", "su sach phan me nguoi co thong tin", "su sach phan moi nguoi co thong tin", "su sach phan mem nguoi do thong tin", "su sach phan mem nguoi dao thong tin", "su sach phan mem nguoi moi thong tin", "su sach phan mem nguoi bo thong tin", "su sach phan mem nguoi co trong tin", "su sach phan mem nguoi co phong tin", "so sach phan mem nguoi co thong tin", "vu sach phan mem nguoi co thong tin", "su sach phan mem nguoi co 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: (("te sach bao me giai con thong minh") or ("su sach phan mem nguoi co thong tin"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("te sach bao me giai con thong minh") OR ("su sach phan mem nguoi co thong tin")).
• Removing quotes may allow a broader search: (( te sach bao me giai con thong minh ) or ( su sach phan mem nguoi co thong tin )).
• Adding a wildcard symbol may retrieve word variants: (("te sach bao me giai con thong minh") or ("su sach phan mem nguoi co thong tin"))*.