Perhaps you should try some spelling variations:
"supply grid integration efforts." » "supply grid international efforts.", "supply grid conservation efforts.", "supply trade integration efforts.", "supply _ integration efforts.", "supply data integration efforts.", "supply crowd integration efforts.", "support grid integration efforts."
"supply nepal irrigation schemes." » "supply nepal irrigation scheme.", "supply nepal irrigation systems.", "supply canal irrigation schemes.", "supply level irrigation schemes.", "supply local irrigation schemes.", "supply annual irrigation schemes.", "supply rural irrigation schemes.", "supply needs 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 grid integration efforts.") OR ("supply nepal irrigation schemes."))~.
• Removing quotes may allow a broader search: (( supply grid integration efforts. ) or ( supply nepal irrigation schemes. ))~.
• Adding a wildcard symbol may retrieve word variants: (("supply grid integration efforts.") or ("supply nepal irrigation schemes."))*.