Perhaps you should try some spelling variations:
integration series » integration services, interaction series, integration server
state interaction » state interactions, scale interaction, state intervention
interaction terms » interaction term
eu integration » deep integration, die integration, data integration
support state » support stage, support staff, support start
support eu » support _, support a, support 4

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