Perhaps you should try some spelling variations:
"support grant international journal." » "support granted international journal.", "support great international journal.", "support transit international journal."
"export service integration theory." » "export service innovation theory.", "export services international theory.", "export services information theory.", "export service integration through.", "export service information theory.", "export services integration theory.", "exports services integration theory.", "airport service 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 grant international journal.") or ("export service integration theory."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("support grant international journal.") OR ("export service integration theory.")).
• Removing quotes may allow a broader search: (( support grant international journal. ) or ( export service integration theory. )).
• Adding a wildcard symbol may retrieve word variants: (("support grant international journal.") or ("export service integration theory."))*.