Perhaps you should try some spelling variations:
"springer service business media" » "springer serie business media", "springer series business media", "spring services business media", "springer service using media", "springer service business mexico", "springer service business men", "springer service business mit"
"spring prices business model" » "spring prices business models", "spring rice business model", "spring produces business model", "spinning prices 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 service business media") OR ("spring prices business model")).
• Removing quotes may allow a broader search: (( springer service business media ) or ( spring prices business model )).
• Adding a wildcard symbol may retrieve word variants: (("springer service business media") or ("spring prices business model"))*.