Perhaps you should try some spelling variations:
"support grant international social." » "support grant international journal.", "support grant international seminar.", "support grant international commercial.", "support ghana international social.", "support plants international social.", "support trade international social."
"export price integration theory." » "export price integration through.", "export price information theory.", "export price integration report.", "export service integration theory.", "export policy integration theory.", "export trade integration theory.", "export prices integration theory.", "import prices 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 social.") or ("export price integration theory."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("support grant international social.") OR ("export price integration theory.")).
• Removing quotes may allow a broader search: (( support grant international social. ) or ( export price integration theory. )).
• Adding a wildcard symbol may retrieve word variants: (("support grant international social.") or ("export price integration theory."))*.