Perhaps you should try some spelling variations:
frances » france, francesco
-universita%c3%a4t%20graz%22 » -universitat%c3%a4t%20graz%22
universitaten%c3%a4t%20graz%22 » universitatten%c3%a4t%20graz%22, universitat%c3%a4t%20graz%22
universitatten%c3%a4t%20graz%22 » universitattten%c3%a4t%20graz%22, universitate%c3%a4t%20graz%22, universitatdes%c3%a4t%20graz%22, universitatea%c3%a4t%20graz%22

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: %22karl-(franzens OR frances)(-universita%c3%a4t%20graz%22 OR -(universitaten%c3%a4t%20graz%22 OR universitatten%c3%a4t%20graz%22)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22karl-(franzens or frances)(-universita%c3%a4t%20graz%22 or -(universitaten%c3%a4t%20graz%22 OR universitatten%c3%a4t%20graz%22))".
• Adding a wildcard symbol may retrieve word variants: %22karl-(franzens or frances)(-universita%c3%a4t%20graz%22 or -(universitaten%c3%a4t%20graz%22 OR universitatten%c3%a4t%20graz%22))*.