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)
improveeed\" » improveeeed\" (Expand Search), improvedeeed\" (Expand Search), improveed\" (Expand Search), improveded\" (Expand Search), improved\" (Expand Search)
improveeeddde\" » improveeeeddde\" (Expand Search), improvedeeeddde\" (Expand Search), improveeddde\" (Expand Search), improvededdde\" (Expand Search), improveddde\" (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 improveeed\\") OR improveeeddde\\")))~\\"\"".
• Removing quotes may allow a broader search: ((\ theatre improv\ ) OR (\ theatre ((improvee\ OR improveeed ) OR improveeeddde )))~.