Perhaps you should try some spelling variations:
improv\\" » improve\\" (Expand Search), improved\\" (Expand Search)
improvedd\" » improveedd\" (Expand Search), improvededd\" (Expand Search), improved\" (Expand Search), improve\" (Expand Search)
improvededeeddee\" » improveededeeddee\" (Expand Search), improvedededeeddee\" (Expand Search), improveddeeddee\" (Expand Search), improvedeeddee\" (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 improvedd\\") OR improvededeeddee\\")) OR (\\\"theatre improvede\\"))\\"\"".
• Removing quotes may allow a broader search: ((\ theatre ((improv\ OR improvedd ) OR improvededeeddee )) OR (\ theatre improvede )).