Perhaps you should try some spelling variations:
integration theories » integration theorems, integrationstheorie 2, integration theory
making services » banking services, banking service, planning services
eu integration » deep integration, die integration, data integration
support eu » support _, support a, support 4
grant » grants

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( support eu integration theories. ) or ( support grant making services. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( support eu integration theories. ) OR ( support grant making services. )).
• Adding a wildcard symbol may retrieve word variants: (( support eu integration theories. ) or ( support grant making services. ))*.