Perhaps you should try some spelling variations:
"springer science business model" » "stronger science business model", "spring resilience business model", "river science business model", "springer finance business model", "springer science using model"
"springer service business model" » "springer serie business model", "springs service business model", "springer series business model", "springer service using model"
"springer springe business models" » "spring spring business models", "springer series business models", "springer spaniel business models", "springer bridge business models", "springer price business models", "springer drainage business models"
"einer finanz business model" » "einer finance business model", "einer final business model", "einer financed business model", "eines finanz business model", "der finanz business model"
"springer single business models" » "springer eine business models", "springer silke business models", "springer simple business models", "springer wrangle business models", "springer using 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 science business model\") OR (\"einer finanz business model\"))) OR (\"springer service business model\"))) OR (((\"springer springe business models\") OR (\"springer single business models\"))))".
• Removing quotes may allow a broader search: (((((( springer science business model ) OR ( einer finanz business model ))) OR ( springer service business model ))) OR ((( springer springe business models ) OR ( springer single business models )))).
• Adding a wildcard symbol may retrieve word variants: (((((("springer science business model") OR ("einer finanz business model"))) OR ("springer service business model"))) OR ((("springer springe business models") OR ("springer single business models"))))*.