Perhaps you should try some spelling variations:
international efforts » international airports, international energy, international airport
integration theory » integration through, information theory, integration report
law international » new international, _ international, 3 international
fare integration » market integration, trade integration, data integration
supply fare » supply farm, supply case, supply market
supply law » supply low, supply a, supply how

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 law international efforts. ) OR ( supply fare integration theory. ))~.
• Adding a wildcard symbol may retrieve word variants: (( supply law international efforts. ) or ( supply fare integration theory. ))*.