Perhaps you should try some spelling variations:
informatik aktuell » informatik aktuelle, informationen aktuelle, informatik kulturelle
information modell » information modelle, information model, information models
informatik modell » informatic model, informatic models, information modelle

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 modell) OR (information modell))))") OR ("((informatik aktuell) or (((informatik modell) OR (information modell))))e")).
• Removing quotes may allow a broader search: (( ((informatik aktuell) or (((informatik modell) OR (information modell)))) ) or ( ((informatik aktuell) or (((informatik modell) OR (information modell))))e )).
• Adding a wildcard symbol may retrieve word variants: (("((informatik aktuell) or (((informatik modell) OR (information modell))))") or ("((informatik aktuell) or (((informatik modell) OR (information modell))))e"))*.