Perhaps you should try some spelling variations:
"modified adaptive estimation algorithms" » "modified adaptive estimation algorithm", "modified adaptive optimization algorithms", "modified adaptive optimisation algorithm", "modified adaptive ventilation algorithms", "modified quantile estimation algorithms", "modified adaptive quantization algorithms", "modified passive estimation algorithms"
"modified stochastic solution algorithm" » "modified stochastic evolution algorithm", "modified stochastic convolution algorithms", "modified stochastic evolutionary algorithm"

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