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 large irrigation schemes." » "supply large irrigation scheme.", "supply large irrigation systems.", "supply farm irrigation schemes.", "supply drip irrigation schemes.", "supply scale irrigation schemes.", "supply charges irrigation schemes.", "supply market irrigation schemes.", "supply curve irrigation schemes."

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

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