what is the main common interests of the izz al-din ibn 'abd al-salam and khwaja shamsuddin azeemi ?
SELECT DISTINCT var_uri where brack_open dbr_Izz_al-Din_ibn_'Abd_al-Salam dbp_mainInterests var_uri sep_dot dbr_Khwaja_Shamsuddin_Azeemi dbp_mainInterests var_uri brack_close