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

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