Perhaps you should try some spelling variations:
international efforts » international airports, international energy, international airport
tokyo international » how international, third international, do international
integration social » international social
chain integration » trade integration, data integration, grid integration
survey tokyo » survey two, surveys togo

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

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