Perhaps you should try some spelling variations:
integration theories » integration theorems, integrationstheorie 2, integration theory
interventions terms » interventions series, interventions jerry, interventions towards
come interventions » some interventions, care interventions, game interventions
support trade » support trainer, export trade, import trade
support come » support income, support common, support crops

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 theories. ) or ( support come interventions terms. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( support trade integration theories. ) OR ( support come interventions terms. )).
• Adding a wildcard symbol may retrieve word variants: (( support trade integration theories. ) or ( support come interventions terms. ))*.