Perhaps you should try some spelling variations:
"donauschwabischen schrifttum uber. 23" » "donauschwabisches schrifttum uber. 23" (Expand Search), "dopnauschwabisches schrifttum uber. 23" (Expand Search), "donauschwabisches christentum uber. 23" (Expand Search), "donauschwabischen schrifttums der. 23" (Expand Search)
"donauschwabische schrifttum und. 23" » "donauschwabisches schrifttum und. 23" (Expand Search), "dopnauschwabisches schrifttum und. 23" (Expand Search), "donauschwabisches christentum und. 23" (Expand Search), "donauschwabische schrifttum der. 23" (Expand Search)

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("donauschwabische schrifttum und. 23") OR ("donauschwabischen schrifttum uber. 23"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"donauschwabische schrifttum und. 23\") OR (\"donauschwabischen schrifttum uber. 23\"))".
• Removing quotes may allow a broader search: (( donauschwabische schrifttum und. 23 ) OR ( donauschwabischen schrifttum uber. 23 )).
• Adding a wildcard symbol may retrieve word variants: (("donauschwabische schrifttum und. 23") OR ("donauschwabischen schrifttum uber. 23"))*.