Perhaps you should try some spelling variations:
"1997 world planning relationships" » "1997 world planning relationship", "1997 world explaining relationships", "1997 world balancing relationships", "1997 work planning relationships", "1997 works planning relationships", "1997 world playing relationships", "1992 world planning relationships", "1995 world planning relationships", "1999 world planning relationships"
"1993 world planning relationships" » "1993 world planning relationship", "1993 world explaining relationships", "1993 world balancing relationships", "1993 work planning relationships", "1993 works planning relationships", "1993 world playing relationships", "1992 world planning relationships"
"1994 world trotting championships" » "1994 world fighting championship", "1994 world winning championships", "1994 world treating championships", "1994 world trusting championships", "1994 world protecting championships", "1992 world trotting championships", "1995 world trotting championships", "1999 world trotting 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: (("1994 world trotting championships") OR ((("1997 world planning relationships") OR ("1993 world planning relationships")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"1994 world trotting championships\") or (((\"1997 world planning relationships\") OR (\"1993 world planning relationships\"))))".
• Removing quotes may allow a broader search: (( 1994 world trotting championships ) or ((( 1997 world planning relationships ) OR ( 1993 world planning relationships )))).
• Adding a wildcard symbol may retrieve word variants: (("1994 world trotting championships") or ((("1997 world planning relationships") OR ("1993 world planning relationships"))))*.