Perhaps you should try some spelling variations:
"export care international power." » "export care international poverty.", "export care international border.", "export care international water.", "export trade international power.", "export law international power.", "export markets international power.", "export share international power.", "export cargo international power.", "export base international power."
"supply surface irrigation schemes." » "supply scale irrigation schemes.", "supply surface irrigation scheme.", "supply surface irrigation systems.", "supply service 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 care international power."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply surface irrigation schemes.") OR ("export care international power."))*.
• Removing quotes may allow a broader search: (( supply surface irrigation schemes. ) or ( export care international power. ))*.