Perhaps you should try some spelling variations:
"export data integration efforts." » "export data international efforts.", "export data conservation efforts.", "export trade integration efforts.", "export _ integration efforts.", "export data integrity efforts.", "export day integration efforts.", "import data integration efforts.", "export ratio integration efforts."
"support grid integration schemes." » "support grid irrigation schemes.", "support grid integration some.", "support grid integration theories.", "support trade integration schemes.", "support _ integration schemes.", "support agri integration schemes.", "support grant integration schemes.", "support group integration schemes."

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 data integration efforts."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("support grid integration schemes.") OR ("export data integration efforts.")).
• Removing quotes may allow a broader search: (( support grid integration schemes. ) or ( export data integration efforts. )).
• Adding a wildcard symbol may retrieve word variants: (("support grid integration schemes.") or ("export data integration efforts."))*.