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)
improveedeeede\" » improveeedeeede\" (Expand Search), improvedeedeeede\" (Expand Search), improvedeeede\" (Expand Search), improveddeeede\" (Expand Search), improveeeede\" (Expand Search)
improveed\\" » improveeed\\" (Expand Search), improvedeed\\" (Expand Search), improved\\" (Expand Search), improvedd\\" (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 ((improvee\\" OR improveedeeede\\") OR improveed\\\")))~\\"\"".
• Removing quotes may allow a broader search: ((\ theatre improv\ ) OR (\ theatre ((improvee OR improveedeeede ) OR improveed\ )))~.