Perhaps you should try some spelling variations:
improv\ » improve\ (Expand Search), improved\ (Expand Search)
improveede\ » improveeede\ (Expand Search), improvedeede\ (Expand Search), improved\ (Expand Search), improvede\ (Expand Search), improvedde\ (Expand Search), improvee\ (Expand Search)
improvee » improveee (Expand Search), improvedee (Expand Search), improve (Expand Search), improved (Expand Search)
improveed » improveeed (Expand Search), improvedeed (Expand Search), improved (Expand Search), improvedd (Expand Search), improve (Expand Search)
improvedededd » improveedededd (Expand Search), improvededededd (Expand Search)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((\ theatre (((improv\ OR improveede\) OR improvee ) OR improveed )) OR (\ theatre improvedededd ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\ theatre (((improv\ OR improveede\) OR improvee ) OR improveed )) OR (\ theatre improvedededd ))".
• Adding a wildcard symbol may retrieve word variants: ((\ theatre (((improv\ OR improveede\) OR improvee ) OR improveed )) OR (\ theatre improvedededd ))*.