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)
improveededee\" » improveeededee\" (Expand Search), improvedeededee\" (Expand Search), improvededee\" (Expand Search), improveedee\" (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 (improveededee\\" OR improveed\\\")))\\"\"".
• Removing quotes may allow a broader search: ((\ theatre (improv\ OR improvede\ )) OR (\ theatre (improveededee OR improveed\ ))).