Perhaps you should try some spelling variations:
mexican national » american national, mexico's national, african national
radio remote » radar remote
radio race » radio tracer, radio rap, radio cracked
radio rede » radio aredn, radio ref, radio regime

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: mexican national ((radio race) OR (((radio rede) OR (radio remote)))) championships.
• The words AND, OR and NOT may confuse the search; try adding quotes: "mexican national ((radio race) or (((radio rede) OR (radio remote)))) championships".
• Adding a wildcard symbol may retrieve word variants: mexican national ((radio race) or (((radio rede) OR (radio remote)))) championships*.