Perhaps you should try some spelling variations:
"export base international border." » "export base international borders.", "export base international bidders.", "export base international bond.", "export raise international border.", "export care international border.", "export bank international border.", "export share international border."
"supply scale irrigation schemes." » "supply scale irrigation scheme.", "supply scale irrigation systems.", "supply case irrigation schemes.", "supply scheme irrigation schemes.", "supply social irrigation schemes."

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 scale irrigation schemes.") OR ("export base international border."))~.
• Removing quotes may allow a broader search: (( supply scale irrigation schemes. ) or ( export base international border. ))~.
• Adding a wildcard symbol may retrieve word variants: (("supply scale irrigation schemes.") or ("export base international border."))*.