Perhaps you should try some spelling variations:
improv\\" » improve\\" (Expand Search), improved\\" (Expand Search)
improvedeeede\" » improveedeeede\" (Expand Search), improvededeeede\" (Expand Search), improvedeede\" (Expand Search), improveeede\" (Expand Search)
improvedede\\" » improveedede\\" (Expand Search), improvededede\\" (Expand Search), improvedde\\" (Expand Search), improvede\\" (Expand Search)
improvede\" » improveede\" (Expand Search), improvedede\" (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 improvedeeede\\")) OR (\\\"theatre (improvedede\\\" OR improvede\\")))\\"\"".
• Removing quotes may allow a broader search: ((\ theatre (improv\ OR improvedeeede )) OR (\ theatre (improvedede\ OR improvede ))).