Perhaps you should try some spelling variations:
"wiener beitrage zur dialogforschung" » "eigenes beitrage zur dialogforschung", "essener beitrage zur dialogforschung", "neuer beitrage zur dialogforschung", "wiener beitrag zur dialogforschung"
"dieser beitrage zur dialogforschung" » "dieser beitrag zur dialogforschung", "dieses beitrages zur dialogforschung", "diesen beitragen zur dialogforschung"

Try widening your search to All Fields.

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: "((\"wiener beitrage zur dialogforschung\") OR (\"dieser beitrage zur dialogforschung\"))".
• Removing quotes may allow a broader search: (( wiener beitrage zur dialogforschung ) OR ( dieser beitrage zur dialogforschung )).
• Adding a wildcard symbol may retrieve word variants: (("wiener beitrage zur dialogforschung") OR ("dieser beitrage zur dialogforschung"))*.