Perhaps you should try some spelling variations:
"support grid integration schemes." » "support grid integration schengen.", "support grid irrigation schemes.", "support grid integration regimes.", "support agri integration schemes.", "support grant integration schemes.", "support group integration schemes."
"supply factor conservation efforts." » "supply water conservation efforts.", "supply action conservation efforts.", "supply nature conservation efforts.", "supply factors conservation efforts.", "supply sector 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 integration schemes.") or ("supply factor conservation efforts."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("support grid integration schemes.") OR ("supply factor conservation efforts."))*.
• Removing quotes may allow a broader search: (( support grid integration schemes. ) or ( supply factor conservation efforts. ))*.