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" » "stronger science business models", "river science business models", "springer springe business models", "springer finance business models", "springer science using models", "springer service business models"
"stringer bridge business model" » "schrodinger bridge business model", "bettinger bridget business model", "hardanger bridge business model", "stringer bring business model", "stringer bridging business model", "stringer drive business model"

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