Perhaps you should try some spelling variations:
integrating services » integrated services, testing services, integrating policies
irrigation schemes » irrigation scheme, irrigation systems
needs integrating » gaps integrating, now integrating
spate irrigation » scale irrigation, water irrigation, surface irrigation
supply spate » supply system, supply side, supply water

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 spate irrigation schemes. ) OR ( supply needs integrating services. ))~.
• Adding a wildcard symbol may retrieve word variants: (( supply spate irrigation schemes. ) or ( supply needs integrating services. ))*.