Perhaps you should try some spelling variations:
"springer science business model" » "stronger science business model", "spring resilience business model", "bigger science business model", "springer finance business 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 single business models"
"river science using model" » "driven science using model", "laser science using model", "cyber science using model", "river science ising model", "river science using mobile"

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 service business model"))) OR ("river 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 (\"springer service business model\"))) or (\"river science using model\"))) or (\"springer springe business models\"))".
• Removing quotes may allow a broader search: (((((( springer science business model ) OR ( springer service business model ))) or ( river science using model ))) or ( springer springe business models )).
• Adding a wildcard symbol may retrieve word variants: (((((("springer science business model") OR ("springer service business model"))) or ("river science using model"))) or ("springer springe business models"))*.