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

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