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)
improveededeeddde\" » improveeededeeddde\" (Expand Search), improvedeededeeddde\" (Expand Search), improvededeeddde\" (Expand Search), improveddedeeddde\" (Expand Search)
improvedd\" » improveedd\" (Expand Search), improvededd\" (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 improvee\\") OR improveededeeddde\\")) OR (\\\"theatre improvedd\\"))\\"\"".
• Removing quotes may allow a broader search: ((\ theatre ((improv OR improvee ) OR improveededeeddde )) OR (\ theatre improvedd )).