Perhaps you should try some spelling variations:
rede championships » chess championships, world championships, win championships
rally championship » world championship, a championship
mexican national » mexico's national, african national, mexican international
_ championships » _ championship, a championship, win championships
radio rally » radio relay, radio relays

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