Perhaps you should try some spelling variations:
integration social » international social
irrigation system » irrigation systems, irrigation water, irrigation scheme
case irrigation » scale irrigation, use irrigation, change irrigation
supply case » supply cost, supply chain, supply curve
supply fare » supply figure, supply curve, supply based
supply farm » supply from, support farm

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( supply case irrigation system. ) OR ( ((supply fare) OR (supply farm)) integration social. ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( supply case irrigation system. ) or ( ((supply fare) OR (supply farm)) integration social. ))~".
• Adding a wildcard symbol may retrieve word variants: (( supply case irrigation system. ) or ( ((supply fare) OR (supply farm)) integration social. ))*.