Perhaps you should try some spelling variations:
johanna fischer » johannes fischer, johan fischer, johann fischart
johannes picht » johannes wicht, johannes richter, johannes fuchs
johannes basch » johannes bosscha, johannes bauer, johannes backs
johan richter » john richter, johannes richter, von richter

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: ((((((johan richter) OR (johannes picht))) OR (johanna fischer))) OR (johannes basch)).
• Adding a wildcard symbol may retrieve word variants: ((((((johan richter) or (johannes picht))) or (johanna fischer))) or (johannes basch))*.