Perhaps you should try some spelling variations:
international efforts » international airports, international energy, international airport
trade international » care international, time international, private international
mass immigration » mass migration, _ immigration
support trade » support trainer, export trade, import trade
supply mass » supply case, supply main, supply many

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