Perhaps you should try some spelling variations:
"export large international power." » "export large international poverty.", "export large international ports.", "export large international panel.", "export care international power.", "export change international power.", "export three international power.", "export cargo international power.", "export targets international power.", "export market international power."
"supply surface irrigation schemes." » "supply scale irrigation schemes.", "supply surface irrigation scheme.", "supply surface irrigation systems.", "supply service irrigation schemes.", "upper surface irrigation schemes."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("supply surface irrigation schemes.") or ("export large international power."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply surface irrigation schemes.") OR ("export large international power."))*.
• Removing quotes may allow a broader search: (( supply surface irrigation schemes. ) or ( export large international power. ))*.