Perhaps you should try some spelling variations:
"2011 german federal election" » "2011 german general election", "2011 german general elections", "2012 german federal election", "2021 german federal election", "201 german federal election"
"11 german federal election" » "11 german general election", "11 german general elections", "1 german federal election"

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"2011 german federal election\") OR (\"11 german federal election\"))".
• Removing quotes may allow a broader search: (( 2011 german federal election ) OR ( 11 german federal election )).
• Adding a wildcard symbol may retrieve word variants: (("2011 german federal election") OR ("11 german federal election"))*.