Perhaps you should try some spelling variations:
irrigation schemes » irrigation scheme, irrigation systems
cargo irrigation » large irrigation, change irrigation, canal irrigation
banking service » banking services, planning services
export cargo » export crop
data banking » data taking, data linking, data asking
import data » import duty

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

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