Perhaps you should try some spelling variations:
"supply based integration schengen." » "supply based integration changed.", "supply based integration schemes.", "supply based integration challenges.", "supply based interaction schengen.", "supply based interactions schengen.", "supply based integrated schengen.", "supply case integration schengen.", "supplies based integration schengen.", "supply asia integration schengen."
"supply chain irrigation scheme." » "supply chain irrigation systems.", "supply grain irrigation scheme.", "supply change irrigation scheme.", "supply basin irrigation scheme."

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

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