Perhaps you should try some spelling variations:
interactions service » interactions series, interacting services, international service
state interactions » scale interactions, state interventions, sea interactions
irrigation scheme » irrigation systems
spate irrigation » scale irrigation, water irrigation, surge irrigation
support spate » support stage, support system, support create
support state » support stage, support staff, support start

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

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