Perhaps you should try some spelling variations:
improv\\" » improve\\" (Expand Search), improved\\" (Expand Search)
improveed\" » improveeed\" (Expand Search), improvedeed\" (Expand Search), improved\" (Expand Search), improve\" (Expand Search)
improveed\\" » improveeed\\" (Expand Search), improvedeed\\" (Expand Search), improved\\" (Expand Search), improve\\" (Expand Search)
improveededeed\\" » improveeededeed\\" (Expand Search), improvedeededeed\\" (Expand Search), improvededeed\\" (Expand Search), improveedeed\\" (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 improveed\\")) OR (\\\"theatre (improveed\\\" OR improveededeed\\\")))\\"\"".
• Removing quotes may allow a broader search: ((\ theatre (improv\ OR improveed )) OR (\ theatre (improveed\ OR improveededeed\ ))).