Perhaps you should try some spelling variations:
"world conference prcv rabies 2001" » "working conference prcv rabies 2001", "world conference pakdd rabies 2001", "world conference prcv navies 2001", "world conference prcv rabies 1001", "world conference prcv rabies 201", "world conference prcv rabies 2301"
"world conference acisp rabies 20" » "working conference acisp rabies 20", "world conference acisp rabies 10", "world conference acisp rabies 2", "world conference acisp rabies 23", "world conference acis 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: (("world conference prcv rabies 2001") OR ("world conference acisp rabies 20")).
• Removing quotes may allow a broader search: (( world conference prcv rabies 2001 ) or ( world conference acisp rabies 20 )).
• Adding a wildcard symbol may retrieve word variants: (("world conference prcv rabies 2001") or ("world conference acisp rabies 20"))*.