Perhaps you should try some spelling variations:
"support through information efforts." » "support through innovation efforts.", "support through international efforts.", "support through transformation efforts.", "support through informations ressorts."
"support group interaction theory." » "support group interactions theory.", "support group integration theory.", "support group interaction term.", "support through interaction theory.", "support group introduction theory.", "support grant interaction 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 through information efforts.") OR ("support group interaction theory."))~.
• Removing quotes may allow a broader search: (( support through information efforts. ) or ( support group interaction theory. ))~.
• Adding a wildcard symbol may retrieve word variants: (("support through information efforts.") or ("support group interaction theory."))*.