Perhaps you should try some spelling variations:
"support third international airports." » "support third international airport.", "support third international transport.", "support third international airshow.", "support china international airports.", "support first international airports.", "support how international airports.", "support them international airports.", "support grid international airports."
"support africa irrigation scheme." » "support syria irrigation scheme.", "support drip irrigation scheme.", "support from irrigation scheme.", "support africa irrigation systems.", "support price irrigation scheme.", "support agri irrigation scheme."

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: (("support africa irrigation scheme.") OR ("support third international airports."))~.
• Removing quotes may allow a broader search: (( support africa irrigation scheme. ) or ( support third international airports. ))~.
• Adding a wildcard symbol may retrieve word variants: (("support africa irrigation scheme.") or ("support third international airports."))*.