Perhaps you should try some spelling variations:
"american national radio computer championships" » "american national radio computer championship", "american national radio microcomputer championships", "american national radius computer championships", "american national cadi computer championships", "american national audio computer championships"
"american national radio remote championships" » "american national radio league championship", "american national radio remote relationships", "american national radar remote championships"
"mexican national radio rally championship" » "mexican national radio world championship", "mexican national radio a championship", "mexico's national radio rally championship", "african national radio rally championship", "mexican international radio rally championship", "mexican national radio relay championship", "mexican 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: (((("american national radio remote championships") OR ("american national radio computer championships"))) OR ("mexican national radio rally championship")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"american national radio remote championships\") OR (\"american national radio computer championships\"))) or (\"mexican national radio rally championship\"))".
• Removing quotes may allow a broader search: (((( american national radio remote championships ) OR ( american national radio computer championships ))) or ( mexican national radio rally championship )).
• Adding a wildcard symbol may retrieve word variants: (((("american national radio remote championships") OR ("american national radio computer championships"))) or ("mexican national radio rally championship"))*.