blog_objava.blog_id in (select blog_id from blog where blog.vezan_za_predmet and (blog.cis_oz_del,blog.cis_sif_del,blog.cis_sif_mat,blog.cis_oz_pred) in((9,1,1,4850),(9,1,1,5931),(9,1,1,5932),(9,1,1,13979)))