Perhaps you should try some spelling variations:
"web site / authority programmes" » "web site / authority programme", "web site / austerity programmes", "web site / authoring programs", "web site / authority programmemes", "web site / authoring programsmes", "web site / authority proteanmes"
"web site / authoring problems" » "web site / authoring problem", "web site / anchoring problems", "web site / authority problems"
"web site / authority programs" » "web site / authority programme", "web site / authoring programs", "web site / authority problems", "web site / authority programmes", "web site / authoring programss", "web site / authority proteans"
"web site / authoring program" » "web site / authoring programs", "web site / tutoring program", "web site / authoring problem"
"web site / authority program" » "web site / authority programme", "web site / authoring programs", "web site / authority protean"

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