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)
improveeddeed\" » improveeeddeed\" (Expand Search), improvedeeddeed\" (Expand Search), improveddeed\" (Expand Search), improvedddeed\" (Expand Search), improvedeed\" (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 improveed\\\") OR improveeddeed\\")))\\"\"".
• Removing quotes may allow a broader search: ((\ theatre improv\ ) OR (\ theatre ((improvee\ OR improveed\ ) OR improveeddeed ))).