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

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