Perhaps you should try some spelling variations:
"web sites / authority programmes" » "web sites / authority programme", "web sites / austerity programmes", "web sites / activity programmes", "web sites / authority programmemes", "web sites / authoring programmes", "web sites / authority problemsmes", "web site / authority programmes"
"web sites / authority program" » "web sites / authority programme", "web sites / authoring program", "web sites / authority problems", "web site / authority program"
"web sites / authority protean" » "web sites / authority process", "web sites / authority problems", "web sites / authority power", "web site / authority protean"
"web sites / authoring programs" » "web site / authoring programs"

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