Perhaps you should try some spelling variations:
"te sach kien truc bach thoat khoi khong" » "te sach kien truc bach khoa khoi khong", "te sach kien truc dich thoat khoi khong", "te sach tien truc bach thoat khoi khong", "te mach dien truc bach thoat khoi khong", "te sach kinh truc bach thoat khoi khong", "te sach kien thuc bach thoat khoi khong", "toc sach kien truc bach thoat khoi khong", "te sach kien truc bach thoat khoa khong", "te sach kien truc bach thoat hoi khong", "te sach kien truc bach thoat thoi khong", "te sach kien truc bach thoat khoi phong"
"su sach tri tue bach hoa tan thong" » "su sach tri tue bach hoa toan thong", "su sach tri tue bach hoa tran thong", "su sach tri tue bach hoa tao thong", "su sach tai tue bach hoa tan thong", "su sach tren tue bach hoa tan thong", "su sach truc tue bach hoa tan thong", "su sach tri thi bach hoa tan thong", "su sach tri vu bach hoa tan thong", "su sach tri huu bach hoa tan thong", "su sach tri tue bach khoa tan thong", "su sach tri tue bach ha tan thong", "su sach tri tue cach hoan tan thong", "so sach tri tue bach hoa tan thong", "vu sach tri tue bach hoa tan thong", "su sach tri tue bach hoa dan thong", "su sach tri tue bach hoa van thong", "su sach tri tue bach hoa tin thong"

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: (("su sach tri tue bach hoa tan thong") or ("te sach kien truc bach thoat khoi khong"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("su sach tri tue bach hoa tan thong") OR ("te sach kien truc bach thoat khoi khong")).
• Removing quotes may allow a broader search: (( su sach tri tue bach hoa tan thong ) or ( te sach kien truc bach thoat khoi khong )).
• Adding a wildcard symbol may retrieve word variants: (("su sach tri tue bach hoa tan thong") or ("te sach kien truc bach thoat khoi khong"))*.