Citation Style: (vgl. author year, page; a y, p)

Question

Most of my citations are only from one source so \parencite[vgl.][page]{x} gives me what I want. but there is a paragraph where I cited from two differents sources. I don't know how to get (vgl. author year, page; a y, p). the style is \usepackage[style=authoryear]{biblatex}