Perhaps you should try some spelling variations:
"Spain national under-21 football team" » "Spain national burden-21 football team", "Spain national cancer-21 football team", "Spain national de-21 football team", "Spain national under-21 football teams", "Spain national under-21 football from", "Spain national under-de football team", "Spain national under-_ football team"
"Spain national under-21 football del" » "Spain national burden-21 football del", "Spain national cancer-21 football del", "Spain national de-21 football del", "Spain national under-de football del", "Spain national under-_ football del"
"Spain national under-le football del" » "Spain national burden-le football del", "Spain national cancer-le football del", "Spain national de-le football del", "Spain national under-de football del", "Spain national under-_ football del", "Spain national under-club football del"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("Spain national under-21 football team") OR ((("Spain national under-21 football del") OR ("Spain national under-le football del"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"Spain national under-21 football team\") OR (((\"Spain national under-21 football del\") OR (\"Spain national under-le football del\"))))".
• Removing quotes may allow a broader search: (( Spain national under-21 football team ) OR ((( Spain national under-21 football del ) OR ( Spain national under-le football del )))).
• Adding a wildcard symbol may retrieve word variants: (("Spain national under-21 football team") OR ((("Spain national under-21 football del") OR ("Spain national under-le football del"))))*.