Perhaps you should try some spelling variations:
irrigation schemes » irrigation scheme, irrigation systems
integration power » integrative power, integration process, international power
crowd irrigation » crop irrigation, flood irrigation, from irrigation
supply crowd » supply growth, supply cost, supply from
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 trade) or (supply case)) integration power. ) or ( supply crowd irrigation schemes. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( ((supply trade) OR (supply case)) integration power. ) OR ( supply crowd irrigation schemes. )).
• Adding a wildcard symbol may retrieve word variants: (( ((supply trade) or (supply case)) integration power. ) or ( supply crowd irrigation schemes. ))*.