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)
improveede\" » improveeede\" (Expand Search), improvedeede\" (Expand Search), improvede\" (Expand Search), improvee\" (Expand Search), improved\" (Expand Search)
improveedde\\" » improveeedde\\" (Expand Search), improvedeedde\\" (Expand Search), improvedde\\" (Expand Search), improvede\\" (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 improveede\\"))) OR (\\\"theatre improveedde\\\"))\\"\"".
• Removing quotes may allow a broader search: ((\ theatre (improv\ OR (improveed OR improveede ))) OR (\ theatre improveedde\ )).