Perhaps you should try some spelling variations:
instructions conditional » instruction educational, functions conditional, structure conditional
programming definitions » programming decisions, programming defining, reframing definitions
programming learning » programmed learning, programming using, programming building
arrays virus » assays virus, arrays virtual, arrays via

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

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