software - Early line in english opening not in the chessbase

I am looking at 1.c4 Nf6 2.g3 d5 3.Bg2 dxc4 4.Nf3 and Chessbase's Powerbook 2019 only proposes 4c6, 4g6, 4a6, 4Nbd7, 4Qd6 or 4Be6 whereas Fritz 17 64bits latest update using Stock

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software - Early line in english opening not in the chessbase

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