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 service business model", "springer science using model"
"springer single business models" » "springer springe business models", "springer eine business models", "springer silke business models", "springer wrangle business models", "springer using business models", "springer sample business models"
"springer simple business models" » "springer silke business models", "springer sample business models", "springer complex business models", "springer example 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: (("springer science business model") OR ((("springer single business models") OR ("springer simple business models")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"springer science business model\") or (((\"springer single business models\") OR (\"springer simple business models\"))))".
• Removing quotes may allow a broader search: (( springer science business model ) or ((( springer single business models ) OR ( springer simple business models )))).
• Adding a wildcard symbol may retrieve word variants: (("springer science business model") or ((("springer single business models") OR ("springer simple business models"))))*.