Perhaps you should try some spelling variations:
"thuat sach tham ky thuat co hoc" » "thuat lanh tham ky thuat co hoc", "thuat san tham ky thuat co hoc", "thuat sach nha ky thuat co hoc", "thuat sach tham ky thuat do hoc", "thuat sach tham ky thuat o hoc", "thuat sach pham ky thuat co hoc", "thuat sach than ky thuat co hoc", "thuat sach tham my thuat co hoc"
"tu ban trinh do thuat toan khoa" » "tu ban tinh do thuat toan khoa", "tu dan trinh do thuat toan khoa", "tu van trinh do thuat toan khoa", "tu ban trinh ky thuat toan khoa", "tu ban trinh hoc thuat toan khoa", "tu ban trinh ki thuat toan khoa", "tu ban trinh do thai toan khoa", "thu ban trinh do thuat toan khoa", "te ban trinh do thuat toan khoa", "tu ban trinh do thuat tran khoa"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("thuat sach tham ky thuat co hoc") or ("tu ban trinh do thuat toan khoa"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("thuat sach tham ky thuat co hoc") OR ("tu ban trinh do thuat toan khoa"))*.
• Removing quotes may allow a broader search: (( thuat sach tham ky thuat co hoc ) or ( tu ban trinh do thuat toan khoa ))*.