Perhaps you should try some spelling variations:
international airport » international transport, international airshow
first international » 1st international, report international
slopes measuring » roper measuring, scales measuring, schools measuring
national efforts » national export
supply first » supply cost, supply from, supply 21st

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: (( slopes measuring national efforts. ) OR ( supply first international airport. ))~.
• Adding a wildcard symbol may retrieve word variants: (( slopes measuring national efforts. ) or ( supply first international airport. ))*.