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

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