Perhaps you should try some spelling variations:
improv » improve (Expand Search), improved (Expand Search)
improvedede » improveedede (Expand Search), improvededede (Expand Search), improvede (Expand Search)
improvedde » improveedde (Expand Search), improvededde (Expand Search), improved (Expand Search)
improveded » improveeded (Expand Search), improvededed (Expand Search), improved (Expand Search)
improveededee » improveeededee (Expand Search), improvedeededee (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 improvedde) OR improveded )) OR ( theatre improveededee ))~".
• Adding a wildcard symbol may retrieve word variants: (( theatre (((improv OR improvedede) OR improvedde) OR improveded )) OR ( theatre improveededee ))*.