Perhaps you should try some spelling variations:
"supply chain integration series." » "supply chain integration theories.", "supply chain integrating services.", "supply chain integration schemes.", "supply trade integration series.", "supply data integration series.", "supply grid integration series."
"supply flood irrigation schemes." » "supply flood irrigation scheme.", "supply flood irrigation systems.", "supply flood mitigation schemes.", "supply led irrigation schemes.", "supply farm irrigation schemes.", "supply crowd irrigation schemes.", "supply low 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 integration series.") or ("supply flood irrigation schemes."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply chain integration series.") OR ("supply flood irrigation schemes."))*.
• Removing quotes may allow a broader search: (( supply chain integration series. ) or ( supply flood irrigation schemes. ))*.