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