Perhaps you should try some spelling variations:
"witt:interlude" » "pitt:interlude", "litt:interlude", "whitt:interlude", "waitt:interlude"
"wit:interludio" » "whit:interludio", "wait:interludio", "wit:intermedio"
"walt:interludio" » "walt:intermedio", "wall:interludio"
"whitt:interlude" » "whitty:interlude", "white:interlude", "whit:interlude"

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "(\"witt:interlude\" OR ((\"wit:interludio\" OR \"walt:interludio\") OR \"whitt:interlude\"))~".
• Removing quotes may allow a broader search: ( witt:interlude OR (( wit:interludio OR walt:interludio ) OR whitt:interlude ))~.
• Adding a wildcard symbol may retrieve word variants: ("witt:interlude" OR (("wit:interludio" OR "walt:interludio") OR "whitt:interlude"))*.