Perhaps you should try some spelling variations:
irrigation schemes » irrigation scheme, irrigation systems
crises irrigation » crises mitigation, pradesh irrigation, drip irrigation
innovation theory » information theory, innovation through, integration theory
supply through » support through
supply crises » supply curves, supply costs, supply case

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 crises irrigation schemes. ) OR ( supply through innovation theory. ))~.
• Adding a wildcard symbol may retrieve word variants: (( supply crises irrigation schemes. ) or ( supply through innovation theory. ))*.