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