Perhaps you should try some spelling variations:
"supply farm irrigation schemes." » "supply farm irrigation scheme.", "supply farm irrigation systems.", "supply scale irrigation schemes.", "supply canal irrigation schemes.", "supply from irrigation schemes.", "support farm irrigation schemes."
"supply state interests through." » "supply state integrity through.", "supply state interactions through.", "supply state intervention through.", "supply stable interest through.", "supply trade interests through.", "supply private interests through.", "supply strategy interests through.", "supply system interests through.", "support state interests through."

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 state interests through.") OR ("supply farm irrigation schemes."))~.
• Removing quotes may allow a broader search: (( supply state interests through. ) or ( supply farm irrigation schemes. ))~.
• Adding a wildcard symbol may retrieve word variants: (("supply state interests through.") or ("supply farm irrigation schemes."))*.