Perhaps you should try some spelling variations:
"supply chain interaction series." » "supply chain interactions series.", "supply chain interaction studies.", "supply chain interaction terms.", "supply chain integration series.", "supply chain intervention series.", "supply spin interaction series."
"supply grid irrigation schemes." » "supply grid irrigation scheme.", "supply grid irrigation systems.", "supply grain irrigation schemes.", "supply drip irrigation schemes.", "supply gray irrigation schemes.", "supply crowd irrigation schemes.", "supply great irrigation schemes.", "support grid 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 chain interaction series.") or ("supply grid irrigation schemes."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply chain interaction series.") OR ("supply grid irrigation schemes.")).
• Removing quotes may allow a broader search: (( supply chain interaction series. ) or ( supply grid irrigation schemes. )).
• Adding a wildcard symbol may retrieve word variants: (("supply chain interaction series.") or ("supply grid irrigation schemes."))*.