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)
improveedededeed\" » improveeedededeed\" (Expand Search), improvedeedededeed\" (Expand Search), improvedededeed\" (Expand Search), improveededeed\" (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 (\\\"theatre (improveedededeed\\" OR improveed\\")))\\"\"".
• Removing quotes may allow a broader search: ((\ theatre (improv\ OR improvede )) OR (\ theatre (improveedededeed OR improveed ))).