Perhaps you should try some spelling variations:
"supply chain integration schemes." » "supply chain integration schengen.", "supply chain integration regimes.", "supply chain integration some."
"Supply trip irrigation schemes." » "Supply trip irrigation scheme.", "Supply trip irrigation systems.", "Supply drip irrigation schemes.", "Supply crop irrigation schemes.", "Supply grain irrigation schemes."
supply trip » supply tariff, supply trade

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("supply chain integration schemes.") OR ("Supply trip irrigation schemes."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"supply chain integration schemes.\") OR (\"Supply trip irrigation schemes.\"))".
• Removing quotes may allow a broader search: (( supply chain integration schemes. ) OR ( Supply trip irrigation schemes. )).
• Adding a wildcard symbol may retrieve word variants: (("supply chain integration schemes.") OR ("Supply trip irrigation schemes."))*.