Perhaps you should try some spelling variations:
"su sach xa ve giai cong phuong tien" » "su sach xa ve giai cong thuong tien", "su sach xa ve giai cong huong tien", "su sach xa ve giai dong phuong tien", "su sach xa ve giai cong phuong trinh", "su sach xa ve gia cong phuong tien", "su sach xa ve giao cong phuong tien", "su sach xa ve giai phong phuong tien", "so sach xa ve giai cong phuong tien", "vu sach xa ve giai cong phuong tien", "su sach dao ve giai cong phuong tien", "su sach nha ve giai cong phuong tien", "su sach bai ve giai cong phuong tien", "su sach xa va giai cong phuong tien", "su sach xa de giai cong phuong tien", "su sach ca ve giai cong phuong tien", "su sach va ve giai cong phuong tien", "su sach la ve giai cong phuong tien"
"te sach thu luan gioi can thong minh" » "te sach thu luan gioi can thong tin", "te sach thu luan gioi can hoang minh", "te sach thu luan giai can thong minh", "te sach thu luan gia can thong minh", "te sach thu luan gioi ban thong minh", "te sach thu luan gioi van thong minh", "te sach thu luan gioi chan thuong minh", "te sach thue luan gioi can thong minh", "te sach thieu luan gioi can thong minh", "te sach tham luan gioi can thong minh", "te sach thau luan gioi can thong minh", "te sach thuc luan gioi can thong minh", "te sach thu luan gioi cam thong minh", "te sach thu luan gioi cau thong minh", "toc sach thu luan gioi can 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: (("te sach thu luan gioi can thong minh") or ("su sach xa ve giai cong phuong tien"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("te sach thu luan gioi can thong minh") OR ("su sach xa ve giai cong phuong tien")).
• Removing quotes may allow a broader search: (( te sach thu luan gioi can thong minh ) or ( su sach xa ve giai cong phuong tien )).
• Adding a wildcard symbol may retrieve word variants: (("te sach thu luan gioi can thong minh") or ("su sach xa ve giai cong phuong tien"))*.