Perhaps you should try some spelling variations:
"supply chain integration theories." » "supply chain integration theorems.", "supply chain integrationstheorie 2.", "supply chain integration theory."
"Supply grid integration through." » "Supply grid innovation through."
supply grid » supply crowd, supply great, support grid

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 chain integration theories.") OR ("Supply grid integration through."))~.
• Removing quotes may allow a broader search: (( supply chain integration theories. ) or ( Supply grid integration through. ))~.
• Adding a wildcard symbol may retrieve word variants: (("supply chain integration theories.") or ("Supply grid integration through."))*.