Perhaps you should try some spelling variations:
"support plants international aid." » "support paths international aid.", "support planning international aid.", "support japan's international aid.", "support plants international airshow.", "support plants international airport.", "support plans international aid.", "support grant international aid.", "support land international aid."
"supply change irrigation scheme." » "supply change mitigation scheme.", "supply canal irrigation scheme.", "supply large irrigation scheme.", "supply change irrigation systems.", "supply charges irrigation scheme.", "supply channels irrigation scheme.", "supply chain's irrigation scheme."

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("supply change irrigation scheme.") or ("support plants international aid."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply change irrigation scheme.") OR ("support plants international aid.")).
• Removing quotes may allow a broader search: (( supply change irrigation scheme. ) or ( support plants international aid. )).
• Adding a wildcard symbol may retrieve word variants: (("supply change irrigation scheme.") or ("support plants international aid."))*.