Perhaps you should try some spelling variations:
"web sites / authority programs" » "web sites / authority program", "web sites / authority programme", "web sites / authoring program"
"web site / tutoring program" » "web site / tutoring programs", "web site / authoring program", "web site / tutorial program"

Try widening your search to All Fields.

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: (((("web sites / authority programs") OR ("web site / tutoring program"))) OR ("web sites / authoring programs")).
• Removing quotes may allow a broader search: (((( web sites / authority programs ) or ( web site / tutoring program ))) or ( web sites / authoring programs )).
• Adding a wildcard symbol may retrieve word variants: (((("web sites / authority programs") or ("web site / tutoring program"))) or ("web sites / authoring programs"))*.