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World Championships Bui competed on vault, uneven bars, and floor exercise during qualification and helped Germany place ninth as a team.<unk> Bui competed on vault, uneven bars, and floor exercise during qualification and helped Germany place ninth as a team. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ ️<unk>️<unk>️<unk>️<unk>️