Shani is a natural graha for the work and chandrama is the mind. When this yoga happens in chart, then person keeps thinking about work. Shani represents common masses and this yoga shows that a one is on peoples mind. In fact Shani in karaka rashi also shows the same results. Shani also represents construction and when it is in moon sign , a person can also construct homes or houses or a builder.
The Yoga also fructifies when Shani is in trines to moon. This is also called Vish Yoga and since shani represents dukha , such people are generally tense and have sorrow in mind . They care about low class people and very dedicated to work.