Perhaps you should try some spelling variations:
informatik modelle » information modelle, geoinformatik modelle, bioinformatik modelle
information model » information modeling
informatik modell » information modell, informatic model, informatic models

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: (( information model ) OR ( ((informatik modelle) OR (informatik modell)) )).
• Adding a wildcard symbol may retrieve word variants: (( information model ) or ( ((informatik modelle) or (informatik modell)) ))*.