Perhaps you should try some spelling variations:
"support trade integration theory." » "support trade integration through.", "support trade information theory.", "support trade innovation theory.", "support trainer integration theory.", "export trade integration theory.", "import trade integration theory."
"support global integration report." » "support regional integration report.", "support global integration efforts.", "support global innovation report.", "import global integration report.", "supply global integration report."

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

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