Perhaps you should try some spelling variations:
"supply a integration theories." » "supply a integration theorems.", "supply a integrationstheorie 2.", "supply a integration theory.", "supply 3 integration theories.", "supply 2 integration theories.", "supply 4 integration theories.", "supply _ integration theories."
"supply joint international cooperation." » "supply doing international cooperation.", "supply droit international cooperation.", "supply 1st international cooperation.", "supply china international cooperation.", "supply cost international cooperation."

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

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