Perhaps you should try some spelling variations:
commedia » comedian (Expand Search), comedic (Expand Search)
hell'arte. » help'arte. (Expand Search), hall'arte. (Expand Search), hell'arts. (Expand Search)
hell'parte. » help'parte. (Expand Search), hall'parte. (Expand Search), hell'parts. (Expand Search)
held'parte. » held'parts. (Expand Search), help'parte. (Expand Search)
bell'parte. » bell'parts. (Expand Search)
del'parte. » del'parts. (Expand Search)
bill'parts. » bill'arts. (Expand Search), bill'paris. (Expand Search)
tell'art. » tells'art. (Expand Search)

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

• Performing a fuzzy search may retrieve terms with similar spellings: (commedia OR (comedians OR comedies)) ((((hell'arte. OR ((hell'parte. OR held'parte.) OR hill'party.)) OR (bill'parts. OR bell'parte.)) OR (tell'art. OR (well'art. OR well'part.))) OR del'parte.)~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(commedia OR (comedians OR comedies)) ((((hell'arte. OR ((hell'parte. OR held'parte.) OR hill'party.)) OR (bill'parts. OR bell'parte.)) OR (tell'art. OR (well'art. OR well'part.))) OR del'parte.)".
• Adding a wildcard symbol may retrieve word variants: (commedia OR (comedians OR comedies)) ((((hell'arte. OR ((hell'parte. OR held'parte.) OR hill'party.)) OR (bill'parts. OR bell'parte.)) OR (tell'art. OR (well'art. OR well'part.))) OR del'parte.)*.

Perform this same search in Multisearch