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

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