Perhaps you should try some spelling variations:
"modified dfdaptive quantization algorithm" » "modified dfdaptive estimation algorithm", "modified adaptive quantization algorithm", "modified _daptive quantization algorithm", "modified adamdaptive quantization algorithm", "modified bi1daptive quantization algorithm"
"modified df simulation algorithm" » "modified df estimation algorithm", "modified df solution algorithm", "modified df optimisation algorithm", "modified _ simulation algorithm", "modified a simulation algorithm", "modified 3d simulation algorithm", "modified adam simulation algorithm", "modified bi1 simulation algorithm"

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