Perhaps you should try some spelling variations:
johannes pfister » johanne foster, johannes dieter, johannes fischer
johannes richter » johannes michael, johan richter, johannes dieter
johannes bosscha » johannes basch, johannes liesche
johanna fischer » johannes fischer, johan fischer, johanna kissler

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) OR (((johannes richter) OR (johannes fuchs))))) OR (((johanna fischer) OR (johann fischart))))) OR (johannes bosscha)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((johannes pfister) or (((johannes richter) or (johannes fuchs))))) or (((johanna fischer) OR (johann fischart))))) or (johannes bosscha))".
• Adding a wildcard symbol may retrieve word variants: ((((((johannes pfister) or (((johannes richter) or (johannes fuchs))))) or (((johanna fischer) OR (johann fischart))))) or (johannes bosscha))*.