Perhaps you should try some spelling variations:
"springer springe business models" » "spring spring business models", "springer spaniel business models", "springer bridge business models", "springer price business models", "springer single business models"
"springer finance business model" » "einer finance business model", "merger finance business model", "pardner finance business model"
"specter finance business model" » "sector finance business model", "aspects finance business model", "better finance business model"
"springer series business model" » "springer services business model", "springer serious business model", "springer server 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: (((("springer finance business model") OR ("specter finance business model"))) OR ((("springer series business model") OR ("springer springe business models")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"springer finance business model\") OR (\"specter finance business model\"))) or (((\"springer series business model\") or (\"springer springe business models\"))))".
• Removing quotes may allow a broader search: (((( springer finance business model ) OR ( specter finance business model ))) or ((( springer series business model ) or ( springer springe business models )))).
• Adding a wildcard symbol may retrieve word variants: (((("springer finance business model") OR ("specter finance business model"))) or ((("springer series business model") or ("springer springe business models"))))*.