Perhaps you should try some spelling variations:
"information modelle" » "information model", "information models", "information modeler", "information modele", "information modelse", "information modelere"
"information modell" » "information model", "information models", "information modeler"
"informatik modell" » "informatic model", "informatic models", "information models"
"geoinformatik modelle" » "geoinformatic modele", "geoinformatic modelse", "geoinformation modelse"

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 modell") OR ("information modell"))) OR ((("geoinformatik modelle") OR ("information modelle"))))*.
• Removing quotes may allow a broader search: (((( informatik modell ) or ( information modell ))) or ((( geoinformatik modelle ) or ( information modelle ))))*.