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