Perhaps you should try some spelling variations:
"supply sharing international efforts." » "supply sharing international airports.", "supply sharing international energy.", "supply sharing international airport.", "supply shaping international efforts.", "supply reshaping international efforts.", "supply changing international efforts.", "supply chain international efforts.", "supply chains international efforts."
"supply china irrigation schemes." » "supply china irrigation scheme.", "supply china irrigation systems.", "supply change irrigation schemes.", "supply canal irrigation schemes.", "supply high irrigation schemes.", "supply chains irrigation schemes.", "supply chain 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 china irrigation schemes.") OR ("supply sharing international efforts."))~.
• Removing quotes may allow a broader search: (( supply china irrigation schemes. ) or ( supply sharing international efforts. ))~.
• Adding a wildcard symbol may retrieve word variants: (("supply china irrigation schemes.") or ("supply sharing international efforts."))*.