Perhaps you should try some spelling variations:
improv\\" » improve\\" (Expand Search), improved\\" (Expand Search)
improvede\" » improveede\" (Expand Search), improvedede\" (Expand Search), improved\" (Expand Search), improve\" (Expand Search)
improveed\" » improveeed\" (Expand Search), improvedeed\" (Expand Search), improved\" (Expand Search), improve\" (Expand Search)
improveededdede\" » improveeededdede\" (Expand Search), improvedeededdede\" (Expand Search), improvededdede\" (Expand Search), improveeddede\" (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 improvede\\") OR improveed\\")) OR (\\\"theatre improveededdede\\"))~\\"\"".
• Removing quotes may allow a broader search: ((\ theatre ((improv\ OR improvede ) OR improveed )) OR (\ theatre improveededdede ))~.