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((9,6,1,7626),(9,6,1,7629),(9,6,1,7643),(9,6,1,13251),(9,6,1,13254)))