Perhaps you should try some spelling variations:
intervention implementing » intervention planning, intervention learning
programming reasoning » programming designing, programming evolving, programming making
programming learning » programmed learning, programming using, programming building
basics citrus » asian citrus, bali citrus, basics truss

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

• Performing a fuzzy search may retrieve terms with similar spellings: intervention implementing ((programming reasoning) or (programming learning)) basics citrus~.
• If you are trying to use Boolean operators, they must be ALL CAPS: intervention implementing ((programming reasoning) OR (programming learning)) basics citrus.
• Adding a wildcard symbol may retrieve word variants: intervention implementing ((programming reasoning) or (programming learning)) basics citrus*.