Perhaps you should try some spelling variations:
improv\" » improve\" (Expand Search), improved\" (Expand Search)
improvedede\" » improveedede\" (Expand Search), improvededede\" (Expand Search), improvedde\" (Expand Search), improvede\" (Expand Search)
improvede\\" » improveede\\" (Expand Search), improvedede\\" (Expand Search), improved\\" (Expand Search), improve\\" (Expand Search)
improvedededed\" » improveedededed\" (Expand Search), improvededededed\" (Expand Search), improveddeded\" (Expand Search), improvededed\" (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 improvedede\\")) OR (\\\"theatre (improvede\\\" OR improvedededed\\")))\\"\"".
• Removing quotes may allow a broader search: ((\ theatre (improv OR improvedede )) OR (\ theatre (improvede\ OR improvedededed ))).