Perhaps you should try some spelling variations:
"springer science business model" » "stronger science business model", "bigger science business model", "dinner science business model", "springer finance business model", "springer service business model"
"springer science using model" » "stronger science using model", "bigger science using model", "dinner science using model", "springer science ising model", "springer science using mobile"
"river science business model" » "river finance business model", "river service business model", "driven science business model", "laser science business model", "cyber science business model"
"springer springe business models" » "spring spring business models", "springer series business models", "springer bridge business models", "springer price business models", "springer single 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 ("river science business model"))) OR ("springer science using model"))) OR ("springer springe business models")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((\"springer science business model\") OR (\"river science business model\"))) or (\"springer science using model\"))) or (\"springer springe business models\"))".
• Removing quotes may allow a broader search: (((((( springer science business model ) OR ( river science business model ))) or ( springer science using model ))) or ( springer springe business models )).
• Adding a wildcard symbol may retrieve word variants: (((((("springer science business model") OR ("river science business model"))) or ("springer science using model"))) or ("springer springe business models"))*.