Perhaps you should try some spelling variations:
improv\ » improve\ (Expand Search), improved\ (Expand Search)
improveee\ » improveeee\ (Expand Search), improvedeee\ (Expand Search), improve\ (Expand Search), improved\ (Expand Search), improvee\ (Expand Search), improvede\ (Expand Search)
improvee » improveee (Expand Search), improvedee (Expand Search), improve (Expand Search), improved (Expand Search)
improveedeed » improveeedeed (Expand Search), improvedeedeed (Expand Search), improvedeed (Expand Search), improveddeed (Expand Search)
improvededd » improveededd (Expand Search), improvedededd (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 improveee\) OR improvee ) OR improveedeed )) OR (\ theatre improvededd ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\ theatre (((improv\ OR improveee\) OR improvee ) OR improveedeed )) OR (\ theatre improvededd ))".
• Adding a wildcard symbol may retrieve word variants: ((\ theatre (((improv\ OR improveee\) OR improvee ) OR improveedeed )) OR (\ theatre improvededd ))*.