Perhaps you should try some spelling variations:
"information models" » "information modeling", "information modelling", "information modelings"
"information model" » "information modeling"
"informatic models" » "informatic model", "informative models", "informatik modell"

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: (((("information models") OR ("information model"))) OR ("informatic models")).
• Removing quotes may allow a broader search: (((( information models ) or ( information model ))) or ( informatic models )).
• Adding a wildcard symbol may retrieve word variants: (((("information models") or ("information model"))) or ("informatic models"))*.