Perhaps you should try some spelling variations:
biographer » biographies, biography, geographer
biographien » biographies, biographical, biographiesn, biographyn, biographicaln
biographie » biographies, biography, biographical
biographyn » biography, biographen, biographin

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: (( (biographer OR biographien) OR biographie ) OR biographyn ).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( (biographer OR biographien) or biographie ) or biographyn )".
• Adding a wildcard symbol may retrieve word variants: (( (biographer OR biographien) or biographie ) or biographyn )*.