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

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