Perhaps you should try some spelling variations:
"working conference against racism 2001" » "working inference against racism 2001", "working conference aist racism 2001", "working conference brains racism 2001", "working conference against random 2001", "working conference against reactive 2001"
"working conference against rabies 2001" » "working inference against rabies 2001", "working conference aist rabies 2001", "working conference brains rabies 2001", "working conference against navies 2001", "working conference against rabies 20"
"working conference amast racism 2001" » "working conference acisp racism 2001", "working conference acns racism 2001", "working conference adma racism 2001", "working conference about racism 2001", "working conference apes racism 2001", "working conference image racism 2001"

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 racism 2001") OR ("working conference amast racism 2001"))) OR ("working conference against rabies 2001")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"working conference against racism 2001\") OR (\"working conference amast racism 2001\"))) or (\"working conference against rabies 2001\"))".
• Removing quotes may allow a broader search: (((( working conference against racism 2001 ) OR ( working conference amast racism 2001 ))) or ( working conference against rabies 2001 )).
• Adding a wildcard symbol may retrieve word variants: (((("working conference against racism 2001") OR ("working conference amast racism 2001"))) or ("working conference against rabies 2001"))*.