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