Perhaps you should try some spelling variations:
"supply plant construction efforts." » "supply plant conservation efforts.", "supply plant construction errors.", "supply plant construction export.", "supply road construction efforts.", "supply dam construction efforts.", "supply part construction efforts.", "supply ann construction efforts.", "supply pt construction efforts."
"supply trade generation reforms." » "supply trade generation records.", "supply trade federation reform.", "supply trade generation platforms.", "supply trace generation reforms.", "supply fragen generation reforms.", "supply case generation reforms."

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"supply trade generation reforms.\") OR (\"supply plant construction efforts.\"))~".
• Removing quotes may allow a broader search: (( supply trade generation reforms. ) OR ( supply plant construction efforts. ))~.
• Adding a wildcard symbol may retrieve word variants: (("supply trade generation reforms.") OR ("supply plant construction efforts."))*.