Perhaps you should try some spelling variations:
"mexican national radio _ championship" » "american national radio _ championship", "mexico's national radio _ championship", "mexican international radio _ championship"
"african national road a championship" » "american national road a championship", "african regional road a championship", "african traditional road a championship", "african national ruin a championship", "african national road _ championship"
"african national rural a championship" » "american national rural a championship", "african regional rural a championship", "african traditional rural a championship", "african national repeal a championship", "african national ruin a championship", "african national cultural a championship", "african national rural _ 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 _ championship") OR ((("african national road a championship") OR ("african national rural a championship")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"mexican national radio _ championship\") or (((\"african national road a championship\") OR (\"african national rural a championship\"))))".
• Removing quotes may allow a broader search: (( mexican national radio _ championship ) or ((( african national road a championship ) OR ( african national rural a championship )))).
• Adding a wildcard symbol may retrieve word variants: (("mexican national radio _ championship") or ((("african national road a championship") OR ("african national rural a championship"))))*.