Perhaps you should try some spelling variations:
johannes fischer » johannes fechner, johannes liesche, johannes pfister
johannes richter » johannes michael, johan richter, johannes dieter
johannes bosscha » johannes basch, johannes liesche
johanna fischer » johann fischart, johanna kissler, johanna borchert
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 fischer) OR (johan fischer))) 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 fischer) OR (johan fischer))) or (((johannes richter) or (johannes fuchs))))) or (johanna fischer))) or (johannes bosscha))".
• Adding a wildcard symbol may retrieve word variants: ((((((((johannes fischer) OR (johan fischer))) or (((johannes richter) or (johannes fuchs))))) or (johanna fischer))) or (johannes bosscha))*.