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)
improvededeeedede\" » improveededeeedede\" (Expand Search), improvedededeeedede\" (Expand Search), improveddeeedede\" (Expand Search), improvedeeedede\" (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 improvededeeedede\\")) OR (\\"theatre improveed\\"))\"".
• Removing quotes may allow a broader search: (( theatre ((improv OR improvede ) OR improvededeeedede )) OR ( theatre improveed )).