Nicodemus did not call Jesus Lord. When Nicodemus called Jesus Rabbi (teacher from God) he had got it right thus far, for the many miracles

The Kingdom of God was so central to the preaching of Jesus Christ that the “Kingdom of God” you could say is like the 'catch-phrase' ..

The Kingdom of God was so central to the preaching of Jesus Christ that the “Kingdom of God” you could say is like the catch-phrase in Jesus