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 data integration series." » "supply data integration theories.", "supply data integrating services.", "supply data integration schemes.", "supply trade integration series.", "supply _ integration series.", "supply data integrity series.", "supply water integration 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 data integration series.") OR ("supply spate irrigation schemes."))~.
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• Adding a wildcard symbol may retrieve word variants: (("supply data integration series.") or ("supply spate irrigation schemes."))*.