Perhaps you should try some spelling variations:
interventions helping » interventions having, interventions help, interventions seeing
integration schemes » integration schengen, irrigation schemes, integration regimes
state interventions » state intervention, sanitation interventions
support trade » support trainer, export trade, import trade
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 trade integration schemes. ) or ( support state interventions helping. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( support trade integration schemes. ) OR ( support state interventions helping. )).
• Adding a wildcard symbol may retrieve word variants: (( support trade integration schemes. ) or ( support state interventions helping. ))*.