Perhaps you should try some spelling variations:
"modified quantile optimization algorithms" » "modified quantile optimisation algorithm", "modified quantile estimation algorithms", "modified quantile estimation algorithm", "modified quantile optimisation algorithms", "modified quantile estimation algorithmss", "modified static optimization algorithms", "modified adaptive optimization algorithms"
"modified quadratic optimization algorithm" » "modified static optimization algorithm", "modified quadratic optimisation algorithm", "modified quadratic estimation algorithm", "modified quadratic estimation algorithms"

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