How does the sharing of power among three branches lead to cooperation and conflict?

The sharing of power among three branches lead to cooperation as when they are mixed or combined together, their power are being mixed into having a more higher reputation and by this, they may be able to provide and discuss certain things in which led to various instances that are important but the conflict is that when these three branches arises trouble and miscommunication of which all party does not show cooperation or does not show the same perspective or goals, it will only cause disasters and fights.