How many movies have Ota Šejnoha and Věra Váňová collaborated on?

They have worked on 4 movies together! Their first movie together was Muž, žena, Žoržík a klíč (1965) while their highest rated movie together was Brouk v hlavě (1970). They have not worked together since Brouk v hlavě (1970). They are most known for their comedy films together.