Perhaps you should try some spelling variations:
"modified 3d optimization algorithms" » "modified 3d optimisation algorithm", "modified 3d estimation algorithms", "modified 3d estimation algorithm", "modified _ optimization algorithms", "modified qoe optimization algorithms", "modified _ optimisation algorithms", "modified df optimization algorithms", "modified adam optimization algorithms"
"modified dfdaptive quantization algorithm" » "modified adaptive quantization algorithm", "modified dfdaptive estimation algorithm"

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