Perhaps you should try some spelling variations:
"supply gas generation reforms." » "supply gas generation records.", "supply gas federation reform.", "supply gas generation platforms.", "supply data generation reforms.", "supply gap generation reforms.", "supply case generation reforms.", "supply a generation reforms."
"supply fare conservation efforts." » "supply farms conservation efforts.", "supply area conservation efforts.", "supply forest conservation efforts.", "supply farm conservation efforts.", "supply case conservation efforts.", "supply figure conservation efforts."

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 gas generation reforms.") OR ("supply fare conservation efforts."))~.
• Removing quotes may allow a broader search: (( supply gas generation reforms. ) or ( supply fare conservation efforts. ))~.
• Adding a wildcard symbol may retrieve word variants: (("supply gas generation reforms.") or ("supply fare conservation efforts."))*.