Perhaps you should try some spelling variations:
"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 edge business model", "springer bridge business models"
"springer drive business model" » "printer driver business model", "springer de business model", "springer eine business model", "springer driven business model", "springer drive 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 drive business model\") OR (\"springer bridge business model\"))*".
• Removing quotes may allow a broader search: (( springer drive business model ) OR ( springer bridge business model ))*.