Perhaps you should try some spelling variations:
"mexican national radio a championship" » "american national radio a championship", "mexico's national radio a championship", "mexican international radio a championship", "mexican national radio _ championship", "mexican national radio ad championship"
"african national road a championship" » "american national road a championship", "african regional road a championship", "african traditional road a championship", "african national road _ championship", "african national rural a championship", "african national ruin a 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: (("mexican national radio a championship") OR ("african national road a championship")).
• Removing quotes may allow a broader search: (( mexican national radio a championship ) or ( african national road a championship )).
• Adding a wildcard symbol may retrieve word variants: (("mexican national radio a championship") or ("african national road a championship"))*.