Perhaps you should try some spelling variations:
irrigation schemes » irrigation scheme, irrigation systems
data irrigation » delta irrigation, canal irrigation, water irrigation
banking series » banking services, making series, banking service
value banking » values banking, value making, value planning
import value » export value
export data » export day, import data

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( export data irrigation schemes. ) or ( import value banking series. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( export data irrigation schemes. ) OR ( import value banking series. )).
• Adding a wildcard symbol may retrieve word variants: (( export data irrigation schemes. ) or ( import value banking series. ))*.