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