which office holder's military branch is vietnam people's public security and vice president is đặng thị ngọc thịnh ?
SELECT DISTINCT var_uri where brack_open var_uri dbo_militaryBranch dbr_Vietnam_People's_Public_Security sep_dot var_uri dbo_vicePresident dbr_Đặng_Thị_Ngọc_Thịnh sep_dot var_uri a dbo_OfficeHolder brack_close