Perhaps you should try some spelling variations:
informationen aktuelle » informationen visuelle, annotationen aktuelle, informationen anteil
"formate kultureller" » "form kultureller", "normalitat kultureller", "informatik kulturelle"
informatik aktuelle » informatik kulturelle

Try widening your search to All Fields.

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (("formate kultureller") OR ("((((informatik aktuelle) or (informationen aktuelle))) or (informatik akademie))")).
• Removing quotes may allow a broader search: (( formate kultureller ) or ( ((((informatik aktuelle) or (informationen aktuelle))) or (informatik akademie)) )).
• Adding a wildcard symbol may retrieve word variants: (("formate kultureller") or ("((((informatik aktuelle) or (informationen aktuelle))) or (informatik akademie))"))*.