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