Perhaps you should try some spelling variations:
"spider bridging business model" » "spider building business model", "spider changing business model", "spider managing business model", "video bridging business model", "fiber bridging business model", "guide bridging business model", "spider bridging business models"
"river science business model" » "river finance business model", "river service business model", "river science using model", "river science business models", "driven science business model", "cyber science business model", "der science business model"
"laser science business model" » "laser finance business model", "laser service business model", "laser science using model", "laser science 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: (((("river science business model") OR ("laser science business model"))) OR ("spider bridging business model")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"river science business model\") OR (\"laser science business model\"))) or (\"spider bridging business model\"))".
• Removing quotes may allow a broader search: (((( river science business model ) OR ( laser science business model ))) or ( spider bridging business model )).
• Adding a wildcard symbol may retrieve word variants: (((("river science business model") OR ("laser science business model"))) or ("spider bridging business model"))*.