Perhaps you should try some spelling variations:
"support a integration theories." » "support a integration theory.", "support a integration through.", "support a integration efforts.", "support _ integration theories.", "support can integration theories.", "support eu integration theories."
"support state intervention terms." » "support health interventions terms.", "support state interaction terms.", "support state intervention systems.", "support state intervention powers.", "support staff intervention terms.", "support strategy intervention terms.", "support estimate intervention terms."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("support a integration theories.") or ("support state intervention terms."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("support a integration theories.") OR ("support state intervention terms.")).
• Removing quotes may allow a broader search: (( support a integration theories. ) or ( support state intervention terms. )).
• Adding a wildcard symbol may retrieve word variants: (("support a integration theories.") or ("support state intervention terms."))*.