Perhaps you should try some spelling variations:
"supply tool international efforts." » "supply tool international airports.", "supply tool international energy.", "supply tool international airport.", "supply school international efforts.", "supply novel international efforts.", "supply tegal international efforts.", "support tool international efforts.", "supply donor international efforts."
"supply basin irrigation schemes." » "supply basin irrigation scheme.", "supply basin irrigation systems.", "supply drip irrigation schemes.", "supply canal irrigation schemes.", "supply farm irrigation schemes.", "supply asia irrigation schemes.", "supply based irrigation schemes.", "supply design irrigation schemes."

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

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