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 science business models"
"stronger stance business model" » "stronger state business model", "stronger science business model", "stronger cancer business model", "stronger stage business model", "stronger stable business model", "stronger stance business models"
"spring spring business model" » "spring sharing business model", "spring scoring business model", "spring during business model", "spring spring business models", "using spring business model"
"stronger space business model" » "stronger space business models", "strong space business model", "stronger state business model", "stronger impact business model", "stronger estate business model", "stronger source business model", "stronger aware 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 science business model") OR ((("stronger stance business model") OR ("stronger space business model"))))) OR ("spring spring business model")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"springer science business model\") or (((\"stronger stance business model\") OR (\"stronger space business model\"))))) or (\"spring spring business model\"))".
• Removing quotes may allow a broader search: (((( springer science business model ) or ((( stronger stance business model ) OR ( stronger space business model ))))) or ( spring spring business model )).
• Adding a wildcard symbol may retrieve word variants: (((("springer science business model") or ((("stronger stance business model") OR ("stronger space business model"))))) or ("spring spring business model"))*.