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