Perhaps you should try some spelling variations:
"biographie" » "biographies", "biography", "biographical"
"biographien" » "biographiesn", "biographyn", "biographicaln", "biographies", "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: (("bibliography" OR "biographie") OR ("biographien" OR "biographyn")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"bibliography\" or \"biographie\") or (\"biographien\" OR \"biographyn\"))".
• Removing quotes may allow a broader search: (( bibliography or biographie ) or ( biographien OR biographyn )).
• Adding a wildcard symbol may retrieve word variants: (("bibliography" or "biographie") or ("biographien" OR "biographyn"))*.