Perhaps you should try some spelling variations:
improv\ » improve\ (Expand Search), improved\ (Expand Search)
improvedeeedeed\ » improveedeeedeed\ (Expand Search), improvededeeedeed\ (Expand Search), improvededeed\ (Expand Search), improvedeedeed\ (Expand Search), improveeedeed\ (Expand Search)
improvedee » improveedee (Expand Search), improvededee (Expand Search), improved (Expand Search), improvede (Expand Search), improvee (Expand Search)
improvede » improveede (Expand Search), improvedede (Expand Search), improved (Expand Search), improve (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 (\ theatre (improvedeeedeed\ OR (improvedee OR improvede) )))~".
• Adding a wildcard symbol may retrieve word variants: ((\ theatre improv\ ) OR (\ theatre (improvedeeedeed\ OR (improvedee OR improvede) )))*.