Perhaps you should try some spelling variations:
integration theories » integration theorems, integrationstheorie 2, integration theory
integration efforts » international efforts, conservation efforts
curve integration » care integration, burke integration, curvello integration
case integration » care integration, scale integration, based integration
supply case » supply cost, supply chain, supply costs

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: (( supply curve integration theories. ) OR ( supply case integration efforts. ))~.
• Adding a wildcard symbol may retrieve word variants: (( supply curve integration theories. ) or ( supply case integration efforts. ))*.