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 trade banking series." » "supply trade banking services.", "supply trade banking service.", "supply trade banking crises.", "supply state banking series.", "supply free banking series.", "supply time banking series.", "supply side banking series.", "supply case 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 trade banking series.") OR ("supply spate irrigation schemes."))~.
• Removing quotes may allow a broader search: (( supply trade banking series. ) or ( supply spate irrigation schemes. ))~.
• Adding a wildcard symbol may retrieve word variants: (("supply trade banking series.") or ("supply spate irrigation schemes."))*.