Perhaps you should try some spelling variations:
"bigger science business model" » "bigger finance business model", "bigger science using model", "big science business model", "river science business model", "better science business 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: (((("bigger science business model") OR ("springer service business model"))) OR ("springer springe business models")).
• Removing quotes may allow a broader search: (((( bigger science business model ) or ( springer service business model ))) or ( springer springe business models )).
• Adding a wildcard symbol may retrieve word variants: (((("bigger science business model") or ("springer service business model"))) or ("springer springe business models"))*.