Perhaps you should try some spelling variations:
"supply 2nd international seminar." » "supply 2nd international series.", "supply 2nd international standard.", "supply 2nd international mining.", "supply 2.3 international seminar.", "supply 2.2 international seminar.", "supply ann international seminar."
"support build international efforts." » "support build international airports.", "support build international energy.", "support build international airport.", "support builds international efforts.", "support building international efforts.", "support third international efforts.", "support big international efforts."

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 2nd international seminar.") OR ("support build international efforts."))~.
• Removing quotes may allow a broader search: (( supply 2nd international seminar. ) or ( support build international efforts. ))~.
• Adding a wildcard symbol may retrieve word variants: (("supply 2nd international seminar.") or ("support build international efforts."))*.