Perhaps you should try some spelling variations:
"supply based international seminar." » "supply based international series.", "supply based international standard.", "supply based international mining.", "supply land international seminar.", "supply 2nd international seminar.", "supply 3rd international seminar.", "supply case international seminar.", "supplies based international seminar.", "supply asia international seminar."
"supply build international airport." » "supply build international transport.", "supply build international airshow.", "supply builds international airport.", "supply building international airport.", "supply third international airport.", "support build international airport.", "supply cold international airport."

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

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