Perhaps you should try some spelling variations:
"supply global integration schemes." » "supply global integration schengen.", "supply global irrigation schemes.", "supply global integration regimes.", "supply regional integration schemes."
"supply flood irrigation system." » "supply flood irrigation systems.", "supply flood irrigation water.", "supply flood irrigation scheme.", "supply flood mitigation system.", "supply led irrigation system.", "supply farm irrigation system.", "supply food irrigation system.", "supply from irrigation system.", "supply crowd irrigation system."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("supply global integration schemes.") or ("supply flood irrigation system."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply global integration schemes.") OR ("supply flood irrigation system."))*.
• Removing quotes may allow a broader search: (( supply global integration schemes. ) or ( supply flood irrigation system. ))*.