Perhaps you should try some spelling variations:
international efforts » international airports, international energy, international airport
integration regimes » immigration regimes, international regimes, integration regional
cost international » costs international, costea international, 1st international
curve integration » care integration, burke integration, curvello integration
supply cost » supply costs

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( supply curve integration regimes. ) or ( supply cost international efforts. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( supply curve integration regimes. ) OR ( supply cost international efforts. )).
• Adding a wildcard symbol may retrieve word variants: (( supply curve integration regimes. ) or ( supply cost international efforts. ))*.