Perhaps you should try some spelling variations:
internationalen regime » international regime, international regimes, internationalen raum
den internationalen » der internationalen, des internationalen, im internationalen
interaction series » interactions series, interaction studies, interaction terms
3 interaction » 2 interaction, 3.2 interaction, 3.1 interaction
supply den » supply ann, supply demand, supply design
supply 3 » supply _, supply a, supply 4

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( supply 3 interaction series. ) OR ( supply den internationalen regime. ))~.
• Adding a wildcard symbol may retrieve word variants: (( supply 3 interaction series. ) or ( supply den internationalen regime. ))*.