Perhaps you should try some spelling variations:
"1997 world treating championships" » "1997 world trotting championships", "1997 world fighting championship", "1997 world trading championships", "1997 world setting championships", "1997 world tracking championships", "1992 world treating championships", "1995 world treating championships", "1999 world treating championships"
"1993 world winning championships" » "1993 world win championships", "1993 world trotting championships", "1993 world fighting championship", "1993 world running championships", "1993 world mining championships", "1993 world signing championships", "1992 world winning championships"
"1997 world creating champions" » "1997 world creating captions", "1997 world selecting champions", "1997 world creating actions", "1997 world's creation champions", "1992 world creating champions", "1995 world creating champions", "1999 world creating champions"

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: (((("1997 world treating championships") OR ("1997 world creating champions"))) OR ("1993 world winning championships")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"1997 world treating championships\") OR (\"1997 world creating champions\"))) or (\"1993 world winning championships\"))".
• Removing quotes may allow a broader search: (((( 1997 world treating championships ) OR ( 1997 world creating champions ))) or ( 1993 world winning championships )).
• Adding a wildcard symbol may retrieve word variants: (((("1997 world treating championships") OR ("1997 world creating champions"))) or ("1993 world winning championships"))*.