Perhaps you should try some spelling variations:
irrigation schemes » irrigation scheme, irrigation systems
chains innovation » china innovations, cities innovation, city innovation
supply chains » supply chain
supply cote » supply costs, supply cost, supply role
supply case » supply cost, supply chain, supply curve

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( supply chains innovation policy. ) or ( ((supply cote) OR (supply case)) irrigation schemes. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( supply chains innovation policy. ) OR ( ((supply cote) OR (supply case)) irrigation schemes. )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( supply chains innovation policy. ) or ( ((supply cote) OR (supply case)) irrigation schemes. ))".
• Adding a wildcard symbol may retrieve word variants: (( supply chains innovation policy. ) or ( ((supply cote) OR (supply case)) irrigation schemes. ))*.