Perhaps you should try some spelling variations:
"spring services business model" » "spring prices business model", "spring services using model", "sharing services business model", "caring services business model", "securing services business model", "spring services business models"
"springer service business media" » "springer serie business media", "springer series business media", "springer berlin business media", "springer service using media", "springer service business mexico", "springer service business men", "springer service business mit"

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 service business media") OR ("spring services business model")).
• Removing quotes may allow a broader search: (( springer service business media ) or ( spring services business model )).
• Adding a wildcard symbol may retrieve word variants: (("springer service business media") or ("spring services business model"))*.