Perhaps you should try some spelling variations:
"supply side integration efforts." » "supply side international efforts.", "supply side conservation efforts.", "supply die integration efforts.", "supply de integration efforts.", "supply life integration efforts."
"supply change irrigation system." » "supply change mitigation system.", "supply canal irrigation system.", "supply large irrigation system.", "supply change irrigation systems.", "supply change irrigation water.", "supply change irrigation scheme.", "supply charges irrigation system.", "supply channels irrigation system.", "supply chain's irrigation system."

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 side integration efforts.") OR ("supply change irrigation system."))~.
• Removing quotes may allow a broader search: (( supply side integration efforts. ) or ( supply change irrigation system. ))~.
• Adding a wildcard symbol may retrieve word variants: (("supply side integration efforts.") or ("supply change irrigation system."))*.