Perhaps you should try some spelling variations:
"johannes pfister muller" » "johanne foster muller", "johannes fischer muller", "johannes koster muller", "johannes peter muller", "johannes pfisters muhle"
"johannes pachter muller" » "johannes richter muller", "johannes pantel muller", "johannes fechner muller", "johannes wachter muller", "johannes peter muller", "johannes walter muller"
"johannes dieter muller" » "johannes dietlein muller", "johannes richter muller", "johannes der muller", "johannes dietmar muller", "johannes peter muller", "johannes gunter muller"
"johannes heiner muller" » "johannes heike muller", "johannes heller muller", "johannes horner 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 pachter muller"))) OR ("johannes dieter muller"))) OR ("johannes heiner muller")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((\"johannes pfister muller\") OR (\"johannes pachter muller\"))) or (\"johannes dieter muller\"))) or (\"johannes heiner muller\"))".
• Removing quotes may allow a broader search: (((((( johannes pfister muller ) OR ( johannes pachter muller ))) or ( johannes dieter muller ))) or ( johannes heiner muller )).
• Adding a wildcard symbol may retrieve word variants: (((((("johannes pfister muller") OR ("johannes pachter muller"))) or ("johannes dieter muller"))) or ("johannes heiner muller"))*.