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)
improvedeeeeede\" » improveedeeeeede\" (Expand Search), improvededeeeeede\" (Expand Search), improvedeeeede\" (Expand Search), improveeeeede\" (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 improvedeeeeede\\")) OR (\\\"theatre improveed\\\"))\\"\"".
• Removing quotes may allow a broader search: ((\ theatre ((improv\ OR improvede ) OR improvedeeeeede )) OR (\ theatre improveed\ )).