Perhaps you should try some spelling variations:
functions computational » functions computation, function computation, directions computational
programming recursion » programming decision, programming session, programming decisions
creating conditional » creating conditions, operating conditions, using conditional
recursion arrays » recursion versus
arrays value » arrays failure, arrays alsa, arrays virus

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: ((functions computational) OR (creating conditional)) programming recursion arrays value~.
• Adding a wildcard symbol may retrieve word variants: ((functions computational) or (creating conditional)) programming recursion arrays value*.