I did B.A, PGJMC, PGDBA in HR . My work experience 4 years in advt. agency for 4 years. Now I am searching for HR jobs How I get it?

I have been completed B.A in advt. & sales Promotion, PGJMC from IGNOU, PGDBA from SCDL, Pune. I had been worked in an advt. agency for 4 years as an Art & PR Manager. I resigned for completing my studies & also because I did'nt find any growth there. How I will search for HR jobs ?