Perhaps you should try some spelling variations:
formate kultureller » form kultureller, normalitat kultureller, informatik kulturelle
informatik aktuelle » informationen aktuelle, informatik kulturelle
"informatik aktuell" » "informatik modell", "informationen 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: (("informatik aktuell") OR ("((((informatik aktuelle) or (formate kultureller))) or (informatik akademie))")).
• Removing quotes may allow a broader search: (( informatik aktuell ) or ( ((((informatik aktuelle) or (formate kultureller))) or (informatik akademie)) )).
• Adding a wildcard symbol may retrieve word variants: (("informatik aktuell") or ("((((informatik aktuelle) or (formate kultureller))) or (informatik akademie))"))*.