Perhaps you should try some spelling variations:
"working conference against reactive 2001" » "working inference against reactive 2001", "working conference amast reactive 2001", "working conference aist reactive 2001", "working conference against active 2001", "working conference against adaptive 2001", "working conference against reactive 101", "working conference against directive 2001", "working conference against reactive 1"
"working conference against rabies 2001" » "working inference against rabies 2001", "working conference amast rabies 2001", "working conference aist rabies 2001", "working conference against racism 2001", "working conference against navies 2001", "working conference against rabies 20"

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: (("working conference against reactive 2001") OR ("working conference against rabies 2001")).
• Removing quotes may allow a broader search: (( working conference against reactive 2001 ) or ( working conference against rabies 2001 )).
• Adding a wildcard symbol may retrieve word variants: (("working conference against reactive 2001") or ("working conference against rabies 2001"))*.