Perhaps you should try some spelling variations:
"support china international journal." » "support china international capital.", "support china's international journal.", "report china international journal."
"export data integration theory." » "export data integration through.", "export data information theory.", "export data integration report.", "export trade integration theory.", "export _ integration theory.", "export data integrity theory.", "export day integration theory.", "import data integration theory.", "export ratio 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 china international journal.") or ("export data integration theory."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("support china international journal.") OR ("export data integration theory.")).
• Removing quotes may allow a broader search: (( support china international journal. ) or ( export data integration theory. )).
• Adding a wildcard symbol may retrieve word variants: (("support china international journal.") or ("export data integration theory."))*.