Perhaps you should try some spelling variations:
"support grant integration efforts." » "support grant international efforts.", "support grant conservation efforts.", "support migrant integration efforts.", "support migrants integration efforts.", "support statt integration efforts."
"supply grain irrigation systems." » "supply gray irrigation systems.", "supply gravity irrigation systems.", "supply drip irrigation systems.", "supply chain irrigation systems.", "supply main irrigation systems.", "supply ukraine irrigation systems.", "supply grain 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 grain irrigation systems.") or ("support grant integration efforts."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply grain irrigation systems.") OR ("support grant integration efforts.")).
• Removing quotes may allow a broader search: (( supply grain irrigation systems. ) or ( support grant integration efforts. )).
• Adding a wildcard symbol may retrieve word variants: (("supply grain irrigation systems.") or ("support grant integration efforts."))*.