Perhaps you should try some spelling variations:
"bioinformatik modelle" » "bioinformatic modeling", "bioinformatics models", "bioinformatics model", "bioinformation modelle", "bioinformatic model", "bioinformatic models", "bioinformatic modele", "bioinformatic modelse"
"informatik modelle" » "information modelle", "informatic model", "informatic models", "informatic modele", "informatic modelse"
"geoinformatik modelle" » "geoinformation modelle", "geoinformatic model", "geoinformatic models", "geoinformatic modele", "geoinformatic modelse"
"informatik modell" » "information modell", "informatic model", "informatic 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 modell") OR ((((("informatik modelle") OR ("bioinformatik modelle"))) OR ("geoinformatik modelle")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"informatik modell\") or (((((\"informatik modelle\") OR (\"bioinformatik modelle\"))) or (\"geoinformatik modelle\"))))".
• Removing quotes may allow a broader search: (( informatik modell ) or ((((( informatik modelle ) OR ( bioinformatik modelle ))) or ( geoinformatik modelle )))).
• Adding a wildcard symbol may retrieve word variants: (("informatik modell") or ((((("informatik modelle") OR ("bioinformatik modelle"))) or ("geoinformatik modelle"))))*.