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."
"export can integration efforts." » "export can international efforts.", "export can conservation efforts.", "export chain integration efforts.", "export von integration efforts.", "export urban integration efforts.", "exports can integration efforts.", "export ban integration efforts.", "export bans integration 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 ("export can integration efforts."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("support grid integration schemes.") OR ("export can integration efforts.")).
• Removing quotes may allow a broader search: (( support grid integration schemes. ) or ( export can integration efforts. )).
• Adding a wildcard symbol may retrieve word variants: (("support grid integration schemes.") or ("export can integration efforts."))*.