Perhaps you should try some spelling variations:
improv\\" » improve\\" (Expand Search), improved\\" (Expand Search)
improvedeee\\" » improveedeee\\" (Expand Search), improvededeee\\" (Expand Search), improvedee\\" (Expand Search), improveee\\" (Expand Search)
improvede\\" » improveede\\" (Expand Search), improvedede\\" (Expand Search), improved\\" (Expand Search), improve\\" (Expand Search)
improvedede\\" » improveedede\\" (Expand Search), improvededede\\" (Expand Search), improvedde\\" (Expand Search), improvede\\" (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 improvedeee\\\")) OR (\\\"theatre (improvede\\\" OR improvedede\\\")))\\"\"".
• Removing quotes may allow a broader search: ((\ theatre (improv\ OR improvedeee\ )) OR (\ theatre (improvede\ OR improvedede\ ))).