Perhaps you should try some spelling variations:
international efforts » international airports, international energy, international airport
fare international » care international, large international, war international
irrigation system » irrigation systems, irrigation water, irrigation scheme
price irrigation » private irrigation, pricing irrigation, africa irrigation
support fare » support falls, support state, support trade
export price » export prices, import prices

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

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