Perhaps you should try some spelling variations:
intervention during » interventions during, interventions using, interventions having
irrigation schemes » irrigation scheme, irrigation systems
state intervention » health interventions
canal irrigation » scale irrigation
support canal » support data, support bank
support state » support staff, support strategy, support estimate

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( support canal irrigation schemes. ) or ( support state intervention during. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( support canal irrigation schemes. ) OR ( support state intervention during. )).
• Adding a wildcard symbol may retrieve word variants: (( support canal irrigation schemes. ) or ( support state intervention during. ))*.