Perhaps you should try some spelling variations:
"supply care international efforts." » "supply care international airports.", "supply care international energy.", "supply care international airport.", "supply commerce international efforts.", "supply finance international efforts.", "supply private international efforts.", "supply case international efforts.", "supply curve international efforts.", "supply cote international efforts."
"support trade integration theories." » "support trade integration theorems.", "support trade integrationstheorie 2.", "support trade integration theory.", "support trainer integration theories.", "export trade integration theories.", "import trade integration theories."

Try widening your search to All Fields.

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 theories.") or ("supply care international efforts."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("support trade integration theories.") OR ("supply care international efforts.")).
• Removing quotes may allow a broader search: (( support trade integration theories. ) or ( supply care international efforts. )).
• Adding a wildcard symbol may retrieve word variants: (("support trade integration theories.") or ("supply care international efforts."))*.