Perhaps you should try some spelling variations:
integration schemes » irrigation schemes, integration some, integration theories
irrigation scheme » irrigation systems
case irrigation » scale irrigation, change irrigation, canal irrigation
supply fare » supply market, supply curve, supply water
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 fare) or (supply farm)) integration schemes. ) or ( supply case irrigation scheme. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( ((supply fare) OR (supply farm)) integration schemes. ) OR ( supply case irrigation scheme. )).
• Adding a wildcard symbol may retrieve word variants: (( ((supply fare) or (supply farm)) integration schemes. ) or ( supply case irrigation scheme. ))*.