Perhaps you should try some spelling variations:
"supply spate irrigation schemes." » "supply spate irrigation scheme.", "supply spate irrigation systems.", "supply scale irrigation schemes.", "supply water irrigation schemes.", "supply surface irrigation schemes.", "supply system irrigation schemes.", "supply side irrigation schemes."
"supply case banking series." » "supply case banking services.", "supply case banking service.", "supply case banking crises.", "supply late banking series.", "supply state banking series.", "supply basic banking series.", "supply cost banking series.", "supply chain banking series.", "supply curve banking series."

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 case banking series.") OR ("supply spate irrigation schemes."))~.
• Removing quotes may allow a broader search: (( supply case banking series. ) or ( supply spate irrigation schemes. ))~.
• Adding a wildcard symbol may retrieve word variants: (("supply case banking series.") or ("supply spate irrigation schemes."))*.