Perhaps you should try some spelling variations:
irrigation schemes » irrigation scheme, irrigation systems
planning services » banking services
water irrigation » scale irrigation, canal irrigation, farm irrigation
export water » export matter, export after, export rates
import data » import duty
import tax » import taxes, export tax

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

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