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