Perhaps you should try some spelling variations:
"su lanh dao le gioi cong chuong trinh" » "su lanh dao le gioi cong cong trinh", "su lanh dao le gioi cong thuong trinh", "su lanh dao le gioi cong chung trinh", "su lanh dao le gioi cong huong trinh", "su lanh dao le gioi dong chuong trinh", "su lanh dao le gioi song chuong trinh", "su lanh dao le nguoi cong chuong trinh", "su anh dao le gioi cong chuong trinh", "tu lanh dao le gioi cong chuong trinh", "su thanh dao le gioi cong chuong trinh", "su lanh dao le giai cong chuong trinh", "su lanh dao ve gioi cong chuong trinh", "su lanh dao loi gioi cong chuong trinh", "su lanh do le gioi cong chuong trinh", "su lanh hao le gioi cong chuong trinh"
"te sach quan ve giai toan thong tin" » "te sach quang ve giai toan thong tin", "te sach luan ve giai toan thong tin", "te tac quan ve giai toan thong tin", "te sach quan ve giai doan thong tin", "te sach quan ve giai toa thong tin", "te sach quan ve gioi toan thong tin", "toc sach quan ve giai toan thong tin", "te sach quan he giai toan thong tin", "te sach quan vi giai toan thong tin", "te sach quan va giai toan thong tin", "te sach quan ve giao toan thong tin", "te sach quan de giai toan thong tin", "te sach quan ve giai toan trong tin", "te sach quan ve giai toan thong tinh"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("su lanh dao le gioi cong chuong trinh") or ("te sach quan ve giai toan thong tin"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("su lanh dao le gioi cong chuong trinh") OR ("te sach quan ve giai toan thong tin")).
• Removing quotes may allow a broader search: (( su lanh dao le gioi cong chuong trinh ) or ( te sach quan ve giai toan thong tin )).
• Adding a wildcard symbol may retrieve word variants: (("su lanh dao le gioi cong chuong trinh") or ("te sach quan ve giai toan thong tin"))*.