Perhaps you should try some spelling variations:
"springer springe business model" » "springer bridge business model", "springer price business model", "springer single business model", "spring spring business model", "springer series business model", "springer springe business models"
"smarter finance business model" » "smart finance business model", "water finance business model", "after finance business model", "smarter finance business models"
"merger finance business model" » "ledger finance business model", "border finance business model", "better finance business model", "merger finance business models"

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