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)
improvedeedeed\" » improveedeedeed\" (Expand Search), improvededeedeed\" (Expand Search), improvededeed\" (Expand Search), improveedeed\" (Expand Search)
improveed\" » improveeed\" (Expand Search), improvedeed\" (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 improvede\\\")) OR (\\\"theatre (improvedeedeed\\" OR improveed\\")))\\"\"".
• Removing quotes may allow a broader search: ((\ theatre (improv\ OR improvede\ )) OR (\ theatre (improvedeedeed OR improveed ))).