Perhaps you should try some spelling variations:
international efforts » international airports, international energy, international airport
trade international » care international, time international, private international
costs immigration » mass immigration, gross immigration, does immigration
support trade » support trainer, export trade, import trade

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 costs immigration reform. ) OR ( support trade international efforts. ))~.
• Adding a wildcard symbol may retrieve word variants: (( supply costs immigration reform. ) or ( support trade international efforts. ))*.