Perhaps you should try some spelling variations:
"modified passive optimization algorithms" » "modified passive optimisation algorithm", "modified passive estimation algorithm", "modified passive optimized algorithms", "modified bayesian optimization algorithms", "modified game optimization algorithms", "modified policy optimization algorithms", "modified adaptive optimization algorithms"
"modified quantile estimation algorithms" » "modified quantile estimation algorithm", "modified quantile optimisation algorithm", "modified quantile approximation algorithms", "modified adaptive estimation algorithms"

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