Perhaps you should try some spelling variations:
improv\\" » improve\\" (Expand Search), improved\\" (Expand Search)
improveeeeedeed\" » improveeeeeedeed\" (Expand Search), improvedeeeeedeed\" (Expand Search), improveeedeed\" (Expand Search), improvedeedeed\" (Expand Search)
improveee\" » improveeee\" (Expand Search), improvedeee\" (Expand Search), improve\" (Expand Search), improved\" (Expand Search)
improvede\\" » improveede\\" (Expand Search), improvedede\\" (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 improveeeeedeed\\") OR improveee\\")) OR (\\\"theatre improvede\\\"))\\"\"".
• Removing quotes may allow a broader search: ((\ theatre ((improv\ OR improveeeeedeed ) OR improveee )) OR (\ theatre improvede\ )).