Perhaps you should try some spelling variations:
"supply case irrigation schemes." » "supply case irrigation scheme.", "supply case irrigation systems.", "supply scale irrigation schemes.", "supply change irrigation schemes.", "supply canal irrigation schemes.", "supply cost irrigation schemes.", "supply chain irrigation schemes.", "supply curve irrigation schemes."
"supply can integration series." » "supply can integration theories.", "supply can integrating services.", "supply can integration schemes.", "supply chain integration series.", "supply care integration series.", "supply urban integration series.", "supply a integration series.", "supply gap integration series."

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