Perhaps you should try some spelling variations:
"supply chain integration theories." » "supply chain integration through.", "supply chain integration efforts.", "supply chain integration reforms.", "supply trade integration theories.", "supply data integration theories.", "supply grid integration theories."
"supply faculty integration theory." » "supply facto integration theory.", "supply factor integration theory.", "supply faculty integration through.", "supply faculty information theory.", "supply faculty integration report.", "supply adults integration theory."

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