Perhaps you should try some spelling variations:
johannes richter » johannes michael, johan richter, johannes fechner
johannes pfister » johanne foster, johannes koster, johannes schuster
johannes fischer » johannes fechner, johannes piscator, johannes fuchs
johannes liesche » johannes basch, johannes berchem, johannes bosscha
johannes dieter » johannes dietlein, johannes der, johannes ditz
johanna fischer » johann fischart, johanna kissler, johanna borchert
johannes geiss » johannes weiss
johan fischer » johann fischart, johan richter, johan schei

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