Perhaps you should try some spelling variations:
"supply cities integrating through." » "supply cities integration through.", "supply cities iterating through.", "supply cities interactions through.", "supply city integrating through.", "supply countries integrating through.", "supply policies integrating through.", "supply chains integrating through.", "supply curves integrating through.", "supply cote integrating through."
"supply chain conservation efforts." » "supply charge conservation efforts.", "supply aid conservation efforts.", "supply ocean conservation efforts."

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 conservation efforts.") OR ("supply cities integrating through."))~.
• Removing quotes may allow a broader search: (( supply chain conservation efforts. ) or ( supply cities integrating through. ))~.
• Adding a wildcard symbol may retrieve word variants: (("supply chain conservation efforts.") or ("supply cities integrating through."))*.