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)
die slowaken » die schwaben (Expand Search), der slowakei (Expand Search), die glocken (Expand Search)
lander die » lander iv (Expand Search), lander ii (Expand Search), wandel die (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 lander die slowaken~.
• Adding a wildcard symbol may retrieve word variants: arbeitsgemeinschaft fur sudostdeutschen lander die slowaken*.