Perhaps you should try some spelling variations:
irrigation scheme » irrigation systems
canal irrigation » scale irrigation
banking series » banking services, making series, banking service
support canal » support can, support data, support bank
cote banking » codes banking, home banking, late banking
supply cote » supply costs, supply cost, 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 cote banking series. ) OR ( support canal irrigation scheme. ))~.
• Adding a wildcard symbol may retrieve word variants: (( supply cote banking series. ) or ( support canal irrigation scheme. ))*.