Perhaps you should try some spelling variations:
"supply factor integration series." » "supply facto integration series.", "supply sector integration series.", "supply actor interaction series.", "supply factor integration services.", "supply factor interaction series.", "supply factor integration server.", "supply factors integration series."
"supply spate irrigation schemes." » "supply spate irrigation scheme.", "supply spate irrigation systems.", "supply scale irrigation schemes.", "supply water irrigation schemes.", "supply surge irrigation schemes.", "supply system irrigation schemes.", "supply side irrigation schemes."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("supply factor integration series.") or ("supply spate irrigation schemes."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply factor integration series.") OR ("supply spate irrigation schemes.")).
• Removing quotes may allow a broader search: (( supply factor integration series. ) or ( supply spate irrigation schemes. )).
• Adding a wildcard symbol may retrieve word variants: (("supply factor integration series.") or ("supply spate irrigation schemes."))*.