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)
improvededdeed\" » improveededdeed\" (Expand Search), improvedededdeed\" (Expand Search), improvedddeed\" (Expand Search), improveddeed\" (Expand Search)
improvedeed\" » improveedeed\" (Expand Search), improvededeed\" (Expand Search), improveded\" (Expand Search), improveed\" (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 (improvededdeed\\" OR improvedeed\\")))\\"\"".
• Removing quotes may allow a broader search: ((\ theatre (improv\ OR improvede )) OR (\ theatre (improvededdeed OR improvedeed ))).