Perhaps you should try some spelling variations:
"4x400 semestres relay" » "4x400 semestre relay", "4x400 semestral relay", "4x400 sementes relay", "4x400 semestres rela", "4x400 semestres pelay", "4x400 semestres reay", "4x400 semestrenos relay"
"4x400 estres relay" » "4x400 estres rela", "4x400 estres pelay", "4x400 estres reay", "4x400 estrenos relay"
"4x400 metres delay" » "4x400 mestres delay", "4x400 metros delay", "4x400 metres delany", "4x400 metres dela", "4x400 metres delas"

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

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