Perhaps you should try some spelling variations:
"supply chain integration schemes." » "supply chain integration schengen.", "supply chain irrigation schemes.", "supply chain integration regimes."
"Supply farm irrigation system." » "Supply farm irrigation systems.", "Supply farm irrigation water.", "Supply farm irrigation scheme.", "Supply scale irrigation system.", "Supply canal irrigation system."
supply farm » supply from, support farm

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 farm irrigation system."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"supply chain integration schemes.\") OR (\"Supply farm irrigation system.\"))*".
• Removing quotes may allow a broader search: (( supply chain integration schemes. ) OR ( Supply farm irrigation system. ))*.