Perhaps you should try some spelling variations:
"supply costs international social." » "supply costs international society.", "supply costs international sourcing.", "supply costs international seminar.", "supply costea international social.", "supply counts international social.", "supply cases international social."
"supply flood irrigation schemes." » "supply flood irrigation scheme.", "supply flood irrigation systems.", "supply flood mitigation schemes.", "supply led irrigation schemes.", "supply farm irrigation schemes.", "supply food irrigation schemes.", "supply from irrigation schemes.", "supply crowd irrigation schemes."

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 costs international social.") or ("supply flood irrigation schemes."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply costs international social.") OR ("supply flood irrigation schemes.")).
• Removing quotes may allow a broader search: (( supply costs international social. ) or ( supply flood irrigation schemes. )).
• Adding a wildcard symbol may retrieve word variants: (("supply costs international social.") or ("supply flood irrigation schemes."))*.