Perhaps you should try some spelling variations:
"4x400 mestres relay" » "4x400 mestre relay", "4x400 muestreos relay", "4x400 semestres relay", "4x400 mestres delay", "4x400 mestres pelay", "4x400 mestres reay", "4x400 mestrenos relay", "4x400 mestres reglay", "4x400 mestres velay", "4x400 mestres belay"
"4x400 estres rela" » "4x400 estrenos rela", "4x400 estres regla", "4x400 estres vela", "4x400 estres bela"
"4x400 metres dela" » "4x400 metros dela", "4x400 metres della", "4x400 metres delia", "4x400 metres adela"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("4x400 mestres relay") OR ("4x400 estres rela"))) OR ("4x400 metres dela"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"4x400 mestres relay\") OR (\"4x400 estres rela\"))) OR (\"4x400 metres dela\"))*".
• Removing quotes may allow a broader search: (((( 4x400 mestres relay ) OR ( 4x400 estres rela ))) OR ( 4x400 metres dela ))*.