Perhaps you should try some spelling variations:
instructions conditional » instruction educational, functions conditional, structure conditional
programming exception » programming exceptions, programming execution, programming evacuation
programming extension » programming extending, programming exceptions, programming session
chapter citrus » chapter cities

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 exception) or (programming extension)) chapter citrus~.
• If you are trying to use Boolean operators, they must be ALL CAPS: instructions conditional ((programming exception) OR (programming extension)) chapter citrus.
• Adding a wildcard symbol may retrieve word variants: instructions conditional ((programming exception) or (programming extension)) chapter citrus*.