Perhaps you should try some spelling variations:
"support global integration efforts." » "support global international efforts.", "support global conservation efforts.", "support regional integration efforts.", "import global integration efforts.", "supply global integration efforts."
"support tool integration theory." » "support tool integration through.", "support tool information theory.", "support tool innovation theory.", "support social integration theory.", "support 3 integration theory.", "support national integration theory.", "support tools integration theory."

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

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