Perhaps you should try some spelling variations:
"donauschwabische schrifttum und. 23" » "dopnauschwabisches schrifttum und. 23" (Expand Search), "donauschwabisches christentum und. 23" (Expand Search), "donauschwabische schrifttum uber. 23" (Expand Search), "donauschwabische schrifttum der. 23" (Expand Search)
"donauschwabisches schrifttum und. 23" » "donauschwabisches schrifttum uber. 23" (Expand Search), "donauschwabisches schrifttum der. 23" (Expand Search), "donauschwabischen schrifttum und. 23" (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: (("donauschwabisches schrifttum und. 23") OR ("donauschwabische schrifttum und. 23"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"donauschwabisches schrifttum und. 23\") OR (\"donauschwabische schrifttum und. 23\"))".
• Removing quotes may allow a broader search: (( donauschwabisches schrifttum und. 23 ) OR ( donauschwabische schrifttum und. 23 )).
• Adding a wildcard symbol may retrieve word variants: (("donauschwabisches schrifttum und. 23") OR ("donauschwabische schrifttum und. 23"))*.