Perhaps you should try some spelling variations:
integration theories » integration theorems, integrationstheorie 2, integration theory
interventions jerry » interventions before, interventions series, interventions de
care interventions » cash interventions, change interventions, early interventions
support trade » support trainer, export trade, import trade
support care » support can, support come, supportive care

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