Perhaps you should try some spelling variations:
"supply water integration regimes." » "supply water immigration regimes.", "supply water international regimes.", "supply water integration regional.", "supply water integrating regimes.", "supply factor integration regimes.", "supply filter integration regimes."
"support grid conservation efforts." » "support aid conservation efforts.", "support good conservation efforts.", "support grass conservation efforts.", "support agri conservation efforts.", "support grant conservation efforts.", "support group conservation efforts."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("support grid conservation efforts.") or ("supply water integration regimes."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("support grid conservation efforts.") OR ("supply water integration regimes.")).
• Removing quotes may allow a broader search: (( support grid conservation efforts. ) or ( supply water integration regimes. )).
• Adding a wildcard symbol may retrieve word variants: (("support grid conservation efforts.") or ("supply water integration regimes."))*.