Perhaps you should try some spelling variations:
"bo sach nganh ky thuat van hoc" » "bo sach ngan ky thuat van hoc", "bo sach tranh ky thuat van hoc", "bo cac nganh ky thuat van hoc", "bo sach nganh ky thuat san hoc", "bo sach nganh ky thuat va hoc", "bo sach nganh ky thuat ban hoc", "bo sach nganh y thuat van hoc", "bo sach nganh xay thuat van hoc", "bo sach hanh ky thuat van hoc", "co sach nganh ky thuat van hoc", "hoc sach nganh ky thuat van hoc", "bo sach nganh ky thuat van hoa"
"su canh tranh xay thuat toan hoc" » "su canh trinh xay thuat toan hoc", "su canh trong xay thuat toan hoc", "su canh manh xay thuat toan hoc", "su canh tranh my thuat toan hoc", "su canh tranh va thuat toan hoc", "su canh tranh cac thuat toan hoc", "su canh tranh xay thuat toan khoa", "su canh tranh xay thuat hoa hoc", "su canh tranh xay thuat tin hoc", "suc canh tranh xay thuat toan hoc", "su can tranh xay thuat toan hoc", "su anh tranh xay thuat toan hoc"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("su canh tranh xay thuat toan hoc") or ("bo sach nganh ky thuat van hoc"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("su canh tranh xay thuat toan hoc") OR ("bo sach nganh ky thuat van hoc")).
• Removing quotes may allow a broader search: (( su canh tranh xay thuat toan hoc ) or ( bo sach nganh ky thuat van hoc )).
• Adding a wildcard symbol may retrieve word variants: (("su canh tranh xay thuat toan hoc") or ("bo sach nganh ky thuat van hoc"))*.