Perhaps you should try some spelling variations:
johannes pfister » johanne foster, johannes dieter, johannes fischer
pfister muller » pfisters muhle, pachter muller
johannes peter » johannes dieter, johann peter, johannes beutler
peter muller » peter miller, peter koller, heiner muller

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: (( johannes pfister muller ) OR ( johannes peter muller )).
• Adding a wildcard symbol may retrieve word variants: (( johannes pfister muller ) or ( johannes peter muller ))*.