Perhaps you should try some spelling variations:
integrating services » integration services, integrated services, regulating services
water integrating » lever integrating, water integrated, patterns integrating
irrigation scheme » irrigation systems
canal irrigation » scale irrigation
import canal » import capital, import data, import bans
import water » imported water, import rates, support water

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

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