Perhaps you should try some spelling variations:
improv\\" » improve\\" (Expand Search), improved\\" (Expand Search)
improveeded\" » improveeeded\" (Expand Search), improvedeeded\" (Expand Search), improveded\" (Expand Search), improveed\" (Expand Search)
improveeddeed\" » improveeeddeed\" (Expand Search), improvedeeddeed\" (Expand Search), improveddeed\" (Expand Search), improvedeed\" (Expand Search)
improveed\" » improveeed\" (Expand Search), improvedeed\" (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 (\\\"theatre ((improveeded\\" OR improveeddeed\\") OR improveed\\")))\\"\"".
• Removing quotes may allow a broader search: ((\ theatre improv\ ) OR (\ theatre ((improveeded OR improveeddeed ) OR improveed ))).