Perhaps you should try some spelling variations:
improv\\" » improve\\" (Expand Search), improved\\" (Expand Search)
improveed\" » improveeed\" (Expand Search), improvedeed\" (Expand Search), improved\" (Expand Search), improve\" (Expand Search)
improvededdddee\" » improveededdddee\" (Expand Search), improvedededdddee\" (Expand Search), improvedddddee\" (Expand Search), improveddddee\" (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 improveed\\") OR improvededdddee\\")) OR (\\\"theatre improvede\\\"))\\"\"".
• Removing quotes may allow a broader search: ((\ theatre ((improv\ OR improveed ) OR improvededdddee )) OR (\ theatre improvede\ )).