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)
improveeeeddeede\" » improveeeeeddeede\" (Expand Search), improvedeeeeddeede\" (Expand Search)
improvedeededede\" » improveedeededede\" (Expand Search), improvededeededede\" (Expand Search), improvedededede\" (Expand Search), improveededede\" (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 improveeeeddeede\\")) OR (\\"theatre improvedeededede\\"))\"".
• Removing quotes may allow a broader search: (( theatre ((improv OR improvede ) OR improveeeeddeede )) OR ( theatre improvedeededede )).