Perhaps you should try some spelling variations:
"stronger science business model" » "springer science business model", "stronger evidence business model", "stronger stance business model", "stronger finance business model", "stronger science using model"
"springer service business model" » "springer serie business model", "springer series business model", "spring services business model", "springer service using model"
"springer springe business models" » "spring spring business models", "springer series business models", "springer bridge business models", "springer price business models", "springer single business models"

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: (((("stronger science business model") OR ("springer service business model"))) OR ("springer springe business models")).
• Removing quotes may allow a broader search: (((( stronger science business model ) or ( springer service business model ))) or ( springer springe business models )).
• Adding a wildcard symbol may retrieve word variants: (((("stronger science business model") or ("springer service business model"))) or ("springer springe business models"))*.