Perhaps you should try some spelling variations:
"support group integration efforts." » "support group international efforts.", "support group conservation efforts.", "support run integration efforts.", "support through integration efforts.", "support global integration efforts.", "support from integration efforts.", "support grant integration efforts."
"support grid integration theory." » "support grid integration through.", "support grid information theory.", "support grid integration report.", "support trade integration theory.", "support _ integration theory.", "support data integration theory.", "support agri integration theory.", "support grant integration theory.", "support price integration theory."

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

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