Perhaps you should try some spelling variations:
"bioinformatik modelle" » "geoinformatik modelle", "bioinformatic modeling", "bioinformatics models"
"information modelle" » "information modell", "information model", "information models"
"informatic models" » "informatic model", "information models", "informative 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: (("informatic models") OR ((("information modelle") OR ("bioinformatik modelle")))).
• Removing quotes may allow a broader search: (( informatic models ) or ((( information modelle ) or ( bioinformatik modelle )))).
• Adding a wildcard symbol may retrieve word variants: (("informatic models") or ((("information modelle") or ("bioinformatik modelle"))))*.