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

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