Perhaps you should try some spelling variations:
interactivity functions » interactions functions, effectivity functions
integration functions » integration functional, integrating functions, interactions functions
programming recursion » programming decision, programming session, programming decisions
recursion arrays » recursion versus

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: ((integration functions) OR (interactivity functions)) programming recursion arrays virtual~.
• Adding a wildcard symbol may retrieve word variants: ((integration functions) or (interactivity functions)) programming recursion arrays virtual*.