Perhaps you should try some spelling variations:
"walt:interlude" » "wall:interlude", "walt:interludio"
"walte:interlude" » "walle:interlude", "walte:interludio", "walter:interlude", "waste:interlude", "waltz:interlude"
"hall:interlude" » "hall:interludio", "hill:interlude"
"want:interlude" » "want:interludio", "kant:interlude", "wang:interlude", "sant: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 "hall:interlude") OR ("want:interlude" OR "walte:interlude"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"walt:interlude\" OR \"hall:interlude\") OR (\"want:interlude\" OR \"walte:interlude\"))*".
• Removing quotes may allow a broader search: (( walt:interlude OR hall:interlude ) OR ( want:interlude OR walte:interlude ))*.