Perhaps you should try some spelling variations:
"springer science business models" » "stronger science business models", "spring resilience business models", "river science business models", "springer finance business models", "springer service business models", "springer science using models"
"spring services using mexico" » "sharing services using mexico", "caring services using mexico", "springs service using mexico", "spring services using lexico", "spring services using lexicon", "spring services using mexican"

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"spring services using mexico\") OR (\"springer science business models\"))".
• Removing quotes may allow a broader search: (( spring services using mexico ) OR ( springer science business models )).
• Adding a wildcard symbol may retrieve word variants: (("spring services using mexico") OR ("springer science business models"))*.