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

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 (johanne foster))) OR (((johannes 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 (johanne foster))) or (((johannes richter) or (johannes fuchs))))) or (johanna fischer))) or (johannes bosscha))".
• Adding a wildcard symbol may retrieve word variants: ((((((((johannes pfister) OR (johanne foster))) or (((johannes richter) or (johannes fuchs))))) or (johanna fischer))) or (johannes bosscha))*.