Perhaps you should try some spelling variations:
"spring service business mexico" » "spring service using mexico", "spring service business metrics", "spring service business media", "spring service business meaning", "spring services business mexico", "sharing service business mexico", "storing service business mexico"
"stronger science business models" » "springer science business models", "stronger evidence business models", "stronger stance business models", "stronger science using models"
"stronger finance business models" » "stronger guidance business models", "stronger stance business models", "stronger evidence business models"

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