Perhaps you should try some spelling variations:
"mexico's national radio race championships" » "mexico's national radio a championship", "mexico's national radio _ championships", "mexico's national radio win championships", "mexico's national radio tracer championships", "mexico's national radio rap championships", "mexico's national radio rede championships"
"african national radio race championships" » "african national radio a championship", "african national radio _ championships", "african national radio win championships", "american national radio race championships", "african regional radio race championships", "african traditional radio race championships", "african national radio tracer championships", "african national radio rap championships", "african national radio rede championships"
"mexico's national radio rally championship" » "mexico's national radio world championship", "mexico's national radio a championship", "mexico's national radio relay championship", "mexico's national radio relays championship"

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: (((("mexico's national radio race championships") OR ("mexico's national radio rally championship"))) OR ("african national radio race championships")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"mexico's national radio race championships\") OR (\"mexico's national radio rally championship\"))) or (\"african national radio race championships\"))".
• Removing quotes may allow a broader search: (((( mexico's national radio race championships ) OR ( mexico's national radio rally championship ))) or ( african national radio race championships )).
• Adding a wildcard symbol may retrieve word variants: (((("mexico's national radio race championships") OR ("mexico's national radio rally championship"))) or ("african national radio race championships"))*.