Perhaps you should try some spelling variations:
"export trade integration schengen." » "export trade integration changed.", "export trade integration schemes.", "export trade integration challenges.", "export taxes integration schengen.", "export base integration schengen.", "export tax integration schengen."
"supply main international cooperation." » "supply joint international cooperation.", "supply bonn international cooperation.", "supply nations international cooperation.", "supply chain international cooperation.", "supply ann international cooperation.", "supply many 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 main international cooperation.") or ("export trade integration schengen."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply main international cooperation.") OR ("export trade integration schengen.")).
• Removing quotes may allow a broader search: (( supply main international cooperation. ) or ( export trade integration schengen. )).
• Adding a wildcard symbol may retrieve word variants: (("supply main international cooperation.") or ("export trade integration schengen."))*.