Perhaps you should try some spelling variations:
"so sach cha le gia trinh thong minh" » "so sach cha le gia trinh thuong minh", "so sach cha le gia trinh trong minh", "so sach cha le gia trinh tong minh", "so sach cha le gia trinh thong tin", "so sach cha le gia trinh hoang minh", "so sach cha le giao trinh thong minh", "so sach cha le gia tinh thong minh", "so sach cha le gia thanh thong minh", "so sach nha le gia trinh thong minh", "so sach che le gia trinh thong minh", "so sach ha le gia trinh thong minh", "so sanh cha le gia trinh thong minh", "bo sach cha le gia trinh thong minh", "co sach cha le gia trinh thong minh", "so sach cha me gia trinh thong minh", "so sach cua le gia trinh thong minh", "so sach cha le giai trinh thong minh", "so sach cha de gia trinh thong minh", "so sach cha he gia trinh thong minh"
"thu sach phan mem gioi dong thong minh" » "thu sach phan mem gioi dong thong tin", "thu sach phan mem gioi dong hoang minh", "thu sach phan mem gioi thong thong minh", "thu sach phan mem gioi nong thon minh", "thu sach phan mem gioi dong thanh minh", "thu sach han mem gioi dong thong minh", "thu mach phan mem gioi dong thong minh", "thu sach phat mem gioi dong thong minh", "thu sach phan mem gioi dang thong minh", "thu sach phan mem gioi song thong minh", "thu sach phan mem gioi trong thong minh", "tu sach phan mem gioi dong thong minh", "thuat sach phan mem gioi dong thong minh", "thuoc sach phan mem gioi dong thong minh", "thu sach phan kem giai dong thong minh", "thu sach phan moi gioi dong thong minh", "thu sach phan tam gioi dong thong minh"

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: (("so sach cha le gia trinh thong minh") or ("thu sach phan mem gioi dong thong minh"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("so sach cha le gia trinh thong minh") OR ("thu sach phan mem gioi dong thong minh")).
• Removing quotes may allow a broader search: (( so sach cha le gia trinh thong minh ) or ( thu sach phan mem gioi dong thong minh )).
• Adding a wildcard symbol may retrieve word variants: (("so sach cha le gia trinh thong minh") or ("thu sach phan mem gioi dong thong minh"))*.