Perhaps you should try some spelling variations:
"supply case international seminar." » "supply case international standard.", "supply case international journal.", "supply case international air.", "supply care international seminar.", "supply raise international seminar.", "supply age international seminar.", "supply cost international seminar.", "supply chain international seminar.", "supply curve international seminar."
"supply scale irrigation scheme." » "supply scale irrigation systems.", "supply scheme irrigation scheme.", "supply social irrigation scheme.", "supply side irrigation scheme."

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

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