Perhaps you should try some spelling variations:
"springer service business learning" » "springer service business planning", "springer service business training", "springer service business lending", "springer serie business learning", "springs service business learning", "springer series business learning", "springer service using learning"
"river science business mexico" » "river finance business mexico", "river science business metrics", "river science business media", "river science business meaning", "driven science business mexico", "laser science business mexico", "cyber science business mexico"
"river science using mexico" » "driven science using mexico", "laser science using mexico", "cyber science using mexico", "river science using lexico", "river science using lexicon", "river science using mexican"

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