Perhaps you should try some spelling variations:
functionality function » functionaries function, functional functions, function dysfunction
functionals function » function function, functions functional, function dysfunction
interface python » interface method, interface proton, interface methods
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 function) OR (functionals function)) https~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "interface python lua ((functionality function) OR (functionals function)) https".
• Adding a wildcard symbol may retrieve word variants: interface python lua ((functionality function) OR (functionals function)) https*.