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)
improvedededeede\" » improveedededeede\" (Expand Search), improvededededeede\" (Expand Search), improveddedeede\" (Expand Search), improvededeede\" (Expand Search)
improveed\\" » improveeed\\" (Expand Search), improvedeed\\" (Expand Search), improved\\" (Expand Search), improve\\" (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 improvedededeede\\")) OR (\\\"theatre improveed\\\"))\\"\"".
• Removing quotes may allow a broader search: ((\ theatre ((improv OR improvede ) OR improvedededeede )) OR (\ theatre improveed\ )).