Perhaps you should try some spelling variations:
functionality design » functional design, function design, functionality needs
lua functionality » a functionality, supra functionality, cova functionality
interface python » interface method, interface proton, interface methods
design https » vision https
python lua » python plug, python a, pythons plus

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

• Performing a fuzzy search may retrieve terms with similar spellings: interface python lua functionality design https~.
• Adding a wildcard symbol may retrieve word variants: interface python lua functionality design https*.