Perhaps you should try some spelling variations:
"supply trade international efforts." » "supply trade international airports.", "supply trade international energy.", "supply trade international airport.", "supply care international efforts.", "supply private international efforts.", "supply states international efforts.", "supply side international efforts.", "supply case international efforts."
"supply chain irrigation scheme." » "supply chain irrigation systems.", "supply change irrigation scheme.", "supply basin irrigation scheme.", "supply chain integration scheme."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("supply chain irrigation scheme.") or ("supply trade international efforts."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply chain irrigation scheme.") OR ("supply trade international efforts.")).
• Removing quotes may allow a broader search: (( supply chain irrigation scheme. ) or ( supply trade international efforts. )).
• Adding a wildcard symbol may retrieve word variants: (("supply chain irrigation scheme.") or ("supply trade international efforts."))*.