Perhaps you should try some spelling variations:
functions conditional » functions functional, functional conditioning, functions computational
programming recursion » programming session, programming decisions, programming security
programming decision » programming decisions, programming design, programming session
basics citrus » asian citrus, bali citrus, basics truss

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 conditional ((programming decision) OR (programming recursion)) basics citrus~.
• Adding a wildcard symbol may retrieve word variants: functions conditional ((programming decision) or (programming recursion)) basics citrus*.