Perhaps you should try some spelling variations:
"supply chain integration theories." » "supply chain integration theory.", "supply chain integration through.", "supply chain integration efforts.", "supply trade integration theories.", "supply data integration theories.", "supply grid integration theories."
"supply fair lending services." » "supply fair nonlending services.", "supply fair planning services.", "supply fair banking services.", "supply bank lending services.", "supply fair trading services.", "supply peer lending services.", "supply farm lending services.", "supply water lending services."

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