Perhaps you should try some spelling variations:
"te sach ngonh ky thuat toan khoa" » "te sach ngon ky thuat toan khoa", "te sach nganh ky thuat toan khoa", "toc sach ngonh ky thuat toan khoa", "te sach ngonh ky thuat tran khoa"
"thu sach ngan y huyet hoc hoi" » "thu sach ngon y huyet hoc hoi", "thu sach nha y huyet hoc hoi", "thu sach han y huyet hoc hoi", "tu sach ngan y huyet hoc hoi", "thuat sach ngan y huyet hoc hoi", "thuoc sach ngan y huyet hoc hoi", "thu sach ngan ly huyet hoc hoi", "thu sach ngan ly thuyet hoc hoi", "thu sach ngan cay huyet hoc hoi", "thu sach ngan y huyet hoc khoi", "thu sach ngan y huyet hoc hoa", "thu sach ngan y huyet hoc noi", "thu sach nganh y huyet hoc hoi", "thu sach nhan y huyet hoc hoi", "thu sach nganh ky huyet hoc hoi"

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 ngonh ky thuat toan khoa") or ("thu sach ngan y huyet hoc hoi"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("te sach ngonh ky thuat toan khoa") OR ("thu sach ngan y huyet hoc hoi"))*.
• Removing quotes may allow a broader search: (( te sach ngonh ky thuat toan khoa ) or ( thu sach ngan y huyet hoc hoi ))*.