Perhaps you should try some spelling variations:
"springer bridging business models" » "spider bridging business models", "bridge bridging business models", "miner bridging business models", "springer building business models", "springer managing business models", "springer creating business models"
"springer changing business models" » "printer changing business models", "sphincter changing business models", "server changing business models"
"river science business model" » "river finance business model", "river service business model", "river science using model", "driven science business model", "laser science business model", "cyber science business model"
"springer driving business model" » "springer dublin business model", "springer driven business model", "springer defining business model", "springer doing 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: (("river science business model") OR ((((("springer bridging business models") OR ("springer changing business models"))) OR ("springer driving business model")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"river science business model\") or (((((\"springer bridging business models\") OR (\"springer changing business models\"))) or (\"springer driving business model\"))))".
• Removing quotes may allow a broader search: (( river science business model ) or ((((( springer bridging business models ) OR ( springer changing business models ))) or ( springer driving business model )))).
• Adding a wildcard symbol may retrieve word variants: (("river science business model") or ((((("springer bridging business models") OR ("springer changing business models"))) or ("springer driving business model"))))*.