Autobuses de Rio de Janeiro a Buenos Aires Argentina

select id_elemento, tipo, MATCH (titulo, keywords) AGAINST ( 'autobuses de a argentina') AS Score FROM indices WHERE MATCH (titulo, keywords) AGAINST ( 'autobuses de a argentina') AND (tipo='articulo' or tipo='subcateg' or tipo='foto') AND (`categoria` = '21' OR `categoria` = '22') ORDER BY Score DESC LIMIT 0, 6