Perhaps you should try some spelling variations:
"springer prices business model" » "springer tracts business model", "springer series business model", "springer springe business model", "springer prices business models", "springer springes business model", "spring rices business model", "springer eines business model"
"merger finance business model" » "ledger finance business model", "smarter finance business model", "border finance business model", "merger finance business models"
"springer price business model" » "springer price business models", "springer springe business model", "spring rice business model", "springer eine business model", "springer primer business model", "springer place business model", "springer juice business model"
"springer drive business model" » "springer drive business models", "printer driver business model", "springer de business model", "springer eine business model", "springer driven 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: (("merger finance business model") OR ((((("springer price business model") OR ("springer prices business model"))) OR ("springer drive business model")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"merger finance business model\") or (((((\"springer price business model\") OR (\"springer prices business model\"))) or (\"springer drive business model\"))))".
• Removing quotes may allow a broader search: (( merger finance business model ) or ((((( springer price business model ) OR ( springer prices business model ))) or ( springer drive business model )))).
• Adding a wildcard symbol may retrieve word variants: (("merger finance business model") or ((((("springer price business model") OR ("springer prices business model"))) or ("springer drive business model"))))*.