Perhaps you should try some spelling variations:
donauschwabisches christentum » donauschwabisches schrifttum (Expand Search)
dopnauschwabisches schrifttum » donauschwabisches schrifttum (Expand Search)
christentum eine » christbaum eine (Expand Search), christentum der (Expand Search)
heft 1 » heft 3 (Expand Search)

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "(( donauschwabisches christentum eine 19 ) OR ( dopnauschwabisches schrifttum heft 1 ))~".
• Adding a wildcard symbol may retrieve word variants: (( donauschwabisches christentum eine 19 ) OR ( dopnauschwabisches schrifttum heft 1 ))*.