Perhaps you should try some spelling variations:
arbeitsgemeinschaft fur » bundesarbeitsgemeinschaft fur (Expand Search)
fur sudostdeutschen » fur sudostdeutsche (Expand Search), der sudostdeutschen (Expand Search), des sudostdeutschen (Expand Search)
sudostdeutschen aus » sudostdeutschen lander (Expand Search), sudostdeutsche kuche (Expand Search), sudostdeutsche volks (Expand Search)
die glocken » die glocke (Expand Search), die slowaken (Expand Search)

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: arbeitsgemeinschaft fur sudostdeutschen aus ((die glocken) OR (die schwaben))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "arbeitsgemeinschaft fur sudostdeutschen aus ((die glocken) OR (die schwaben))".
• Adding a wildcard symbol may retrieve word variants: arbeitsgemeinschaft fur sudostdeutschen aus ((die glocken) OR (die schwaben))*.