Perhaps you should try some spelling variations:
"support grid integration efforts." » "support grid international efforts.", "support grid conservation efforts.", "support trade integration efforts.", "support _ integration efforts.", "support data integration efforts.", "support agri integration efforts.", "support grant integration efforts.", "support group integration efforts."
"support africa irrigation scheme." » "support syria irrigation scheme.", "support drip irrigation scheme.", "support from irrigation scheme.", "support africa irrigation systems.", "support price irrigation scheme.", "support agri irrigation scheme."

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (("support africa irrigation scheme.") OR ("support grid integration efforts."))~.
• Removing quotes may allow a broader search: (( support africa irrigation scheme. ) or ( support grid integration efforts. ))~.
• Adding a wildcard symbol may retrieve word variants: (("support africa irrigation scheme.") or ("support grid integration efforts."))*.