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((9,2,1,6830),(9,2,1,6830),(9,2,1,7500),(9,2,1,7500),(9,2,1,11869),(9,2,1,11869),(9,2,1,13245),(9,2,1,13245)))