Perhaps you should try some spelling variations:
improv\" » improve\" (Expand Search), improved\" (Expand Search)
improvede\" » improveede\" (Expand Search), improvedede\" (Expand Search), improved\" (Expand Search), improve\" (Expand Search)
improvededede\" » improveededede\" (Expand Search), improvedededede\" (Expand Search), improveddede\" (Expand Search), improvedede\" (Expand Search)
improvededdede\" » improveededdede\" (Expand Search), improvedededdede\" (Expand Search), improvedddede\" (Expand Search), improveddede\" (Expand Search)

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: "\"((\\"theatre ((improv\\" OR improvede\\") OR improvededede\\")) OR (\\"theatre improvededdede\\"))\"".
• Removing quotes may allow a broader search: (( theatre ((improv OR improvede ) OR improvededede )) OR ( theatre improvededdede )).