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)
improveedde\" » improveeedde\" (Expand Search), improvedeedde\" (Expand Search), improvedde\" (Expand Search), improveddde\" (Expand Search)
improveedeeeed\" » improveeedeeeed\" (Expand Search), improvedeedeeeed\" (Expand Search), improvedeeeed\" (Expand Search), improveddeeeed\" (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 (\\\"theatre ((improvee\\\" OR improveedde\\") OR improveedeeeed\\")))\\"\"".
• Removing quotes may allow a broader search: ((\ theatre improv\ ) OR (\ theatre ((improvee\ OR improveedde ) OR improveedeeeed ))).