Perhaps you should try some spelling variations:
"springer springe business model" » "spring spring business model", "springer series business model", "springer price business model", "springer single business model", "springer drainage business model", "springer springe business models"
"springer bridge business model" » "stringer bridge business model", "sprinkle bridge business model", "schrodinger bridge business model", "springer bring business model", "springer bridging business model", "springer edge business model", "springer bridge business models"

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"springer springe business model\") OR (\"springer bridge business model\"))".
• Removing quotes may allow a broader search: (( springer springe business model ) OR ( springer bridge business model )).
• Adding a wildcard symbol may retrieve word variants: (("springer springe business model") OR ("springer bridge business model"))*.