Perhaps you should try some spelling variations:
classical code » classical codes, classical case, classic code
classical gene » classical game, classical gate, classical general
"Classical code library" » "Classical case library", "Classical tape library"
"Classical gene library" » "Classical genuine library", "Classical gene libraries", "Classical reuse library"

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"Classical code library\") OR (\"Classical gene library\"))".
• Removing quotes may allow a broader search: (( Classical code library ) OR ( Classical gene library )).
• Adding a wildcard symbol may retrieve word variants: (("Classical code library") OR ("Classical gene library"))*.