Perhaps you should try some spelling variations:
trotting championships » fighting championship, winning championships
running championships » winning championships, win championships
world trotting » world treating, world trusting, world protecting
world running » works running, work running, world training
1993 world » 1992 world
1997 world » 1992 world, 1995 world, 1999 world

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 trotting championships ) OR ( 1997 world running championships )).
• Adding a wildcard symbol may retrieve word variants: (( 1993 world trotting championships ) or ( 1997 world running championships ))*.