Perhaps you should try some spelling variations:
"mexican national radio acess championships" » "mexican national radio chess championship", "american national radio acess championships", "mexico's national radio acess championships", "african national radio acess championships", "mexican national radio access championships", "mexican national radio accesses championships", "mexican national radial access championships", "mexican national radio acess championss"
"mexican national radio chess championships" » "mexican national radio chess championship", "american national radio chess championships", "mexico's national radio chess championships", "african national radio chess championships", "mexican national radio access championships", "mexican national radio chemo championships", "mexican national radio cross championships", "mexican national radio chess championss"
"mexican national radio world championship" » "american national radio world championship", "mexico's national radio world championship", "african national radio world championship", "mexican national radio works championship", "mexican national radio wird championship", "mexican national trading world championship", "mexican national radio world champions"

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 chess championships") OR ("mexican national radio acess championships"))) OR ("mexican national radio world championship")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"mexican national radio chess championships\") OR (\"mexican national radio acess championships\"))) or (\"mexican national radio world championship\"))".
• Removing quotes may allow a broader search: (((( mexican national radio chess championships ) OR ( mexican national radio acess championships ))) or ( mexican national radio world championship )).
• Adding a wildcard symbol may retrieve word variants: (((("mexican national radio chess championships") OR ("mexican national radio acess championships"))) or ("mexican national radio world championship"))*.