Perhaps you should try some spelling variations:
improv\\" » improve\\" (Expand Search), improved\\" (Expand Search)
improveede\" » improveeede\" (Expand Search), improvedeede\" (Expand Search), improved\" (Expand Search), improvede\" (Expand Search), improvee\" (Expand Search)
improveed\\" » improveeed\\" (Expand Search), improvedeed\\" (Expand Search), improved\\" (Expand Search), improve\\" (Expand Search)
improveeded\" » improveeeded\" (Expand Search), improvedeeded\" (Expand Search), improvedd\" (Expand Search), improveded\" (Expand Search), improveed\" (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 (improveede\\" OR (improveed\\\" OR improveeded\\"))))\\"\"".
• Removing quotes may allow a broader search: ((\ theatre improv\ ) OR (\ theatre (improveede OR (improveed\ OR improveeded )))).