Perhaps you should try some spelling variations:
"1993 world treating championships" » "1993 world trotting championships", "1993 world creating champions", "1993 world creating championships", "1993 world trading championships", "1993 world setting championships", "1992 world treating championships"
"1997 world fighting championship" » "1997 world trotting championships", "1997 world lighting championship", "1997 world righting championship", "1997 worth fighting championship", "1992 world fighting championship", "1995 world fighting championship", "1999 world fighting championship"
"1997 world winning championships" » "1997 world win championships", "1997 world trotting championships", "1997 world winning relationships", "1997 world running championships", "1997 world mining championships", "1997 world signing championships", "1992 world winning championships", "1995 world winning championships", "1999 world winning championships"

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: (((("1993 world treating championships") OR ("1997 world fighting championship"))) OR ("1997 world winning championships")).
• Removing quotes may allow a broader search: (((( 1993 world treating championships ) or ( 1997 world fighting championship ))) or ( 1997 world winning championships )).
• Adding a wildcard symbol may retrieve word variants: (((("1993 world treating championships") or ("1997 world fighting championship"))) or ("1997 world winning championships"))*.