Perhaps you should try some spelling variations:
"walt:interlude" » "walt:interludio"
"wall:interlude" » "wall:interludio", "hall:interlude", "well:interlude", "all:interlude"
"want:interlude" » "want:interludio", "kant:interlude", "wang:interlude", "sant:interlude"
"walte:interlude" » "walte:interludio", "walter:interlude", "waste:interlude", "waltz:interlude"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("walt:interlude" OR "wall:interlude") OR ("want:interlude" OR "walte:interlude"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"walt:interlude\" OR \"wall:interlude\") OR (\"want:interlude\" OR \"walte:interlude\"))*".
• Removing quotes may allow a broader search: (( walt:interlude OR wall:interlude ) OR ( want:interlude OR walte:interlude ))*.