Perhaps you should try some spelling variations:
international efforts » international airports, international airport, international support
international energy » international best
third international » china international, first international, how international
curve international » survey international, care international, turkey international

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

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