Perhaps you should try some spelling variations:
preventative programming » prevention programming, generative programming, creative programming
imperative programming » declarative programming, reactive programming
defining basics » designing basics, training basics, defining cases
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: interventions ((preventative programming) or (imperative programming)) defining basics citrus~.
• If you are trying to use Boolean operators, they must be ALL CAPS: interventions ((preventative programming) OR (imperative programming)) defining basics citrus.
• Adding a wildcard symbol may retrieve word variants: interventions ((preventative programming) or (imperative programming)) defining basics citrus*.