Perhaps you should try some spelling variations:
"supply grid integration efforts." » "supply grid international efforts.", "supply grid conservation efforts.", "supply trade integration efforts.", "supply _ integration efforts.", "supply data integration efforts.", "supply crowd integration efforts.", "support grid integration efforts."
"supply case irrigation schemes." » "supply case irrigation scheme.", "supply case irrigation systems.", "supply scale irrigation schemes.", "supply change irrigation schemes.", "supply canal irrigation schemes.", "supply cost irrigation schemes.", "supply chain irrigation schemes.", "supply curve 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 case irrigation schemes.") OR ("supply grid integration efforts."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"supply case irrigation schemes.\") OR (\"supply grid integration efforts.\"))*".
• Removing quotes may allow a broader search: (( supply case irrigation schemes. ) OR ( supply grid integration efforts. ))*.