Perhaps you should try some spelling variations:
johannes fischer » johanna fischer, johan fischer, johannes fechner
johannes pfister » johanne foster, johannes dieter, johannes koster
johannes picht » johannes wicht, johannes richter, johannes fuchs
johannes basch » johannes bosscha, johannes bauer, johannes backs

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 pfister))) OR (johannes picht))) OR (johann fischart))) OR (johannes basch)).
• Adding a wildcard symbol may retrieve word variants: ((((((((johannes fischer) or (johannes pfister))) or (johannes picht))) or (johann fischart))) or (johannes basch))*.