Perhaps you should try some spelling variations:
"support grant international efforts." » "support grant international airports.", "support grant international energy.", "support grant international airport.", "support granted international efforts.", "support great international efforts.", "support transit international efforts."
"supply rural irrigation systems." » "supply murray irrigation systems.", "supply canal irrigation systems.", "supply gray irrigation systems.", "supply curve irrigation systems.", "supply rural 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 rural irrigation systems.") or ("support grant international efforts."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply rural irrigation systems.") OR ("support grant international efforts.")).
• Removing quotes may allow a broader search: (( supply rural irrigation systems. ) or ( support grant international efforts. )).
• Adding a wildcard symbol may retrieve word variants: (("supply rural irrigation systems.") or ("support grant international efforts."))*.