Perhaps you should try some spelling variations:
"supply data integration theories." » "supply data integration theory.", "supply data integration through.", "supply data integration reforms.", "supply trade integration theories.", "supply _ integration theories.", "supply data integrity theories.", "supply water integration theories."
"support grid integration efforts." » "support grid international efforts.", "support grid conservation efforts.", "support trade integration efforts.", "support _ integration efforts.", "support agri integration efforts.", "support grant integration efforts.", "support group 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 efforts.") or ("supply data integration theories."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("support grid integration efforts.") OR ("supply data integration theories.")).
• Removing quotes may allow a broader search: (( support grid integration efforts. ) or ( supply data integration theories. )).
• Adding a wildcard symbol may retrieve word variants: (("support grid integration efforts.") or ("supply data integration theories."))*.