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

Try widening your search to All Fields.

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"web sites / authority programs\") OR (\"web sites / authority program\"))".
• Removing quotes may allow a broader search: (( web sites / authority programs ) OR ( web sites / authority program )).
• Adding a wildcard symbol may retrieve word variants: (("web sites / authority programs") OR ("web sites / authority program"))*.