Perhaps you should try some spelling variations:
classical codes » classical cases, classical geodesy, classical closed
classical code » classical case, classic code, classical cad
"classical tape library" » "classical type library", "classical types library", "classical shape library"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (("((classical code) OR (classical codes)) library") OR ("classical tape library")).
• Removing quotes may allow a broader search: (( ((classical code) OR (classical codes)) library ) or ( classical tape library )).
• Adding a wildcard symbol may retrieve word variants: (("((classical code) OR (classical codes)) library") or ("classical tape library"))*.