Perhaps you should try some spelling variations:
"modified caging optimization algorithmsss" » "modified caging optimization algorithms", "modified caging optimisation algorithm", "modified caging estimation algorithms", "modified caging optimization algorithmssss", "modified caging optimisation algorithmsss", "modified caging estimation algorithmsss", "modified staffing optimization algorithmsss"
"modified bayesian optimization algorithm" » "modified bayesian optimization algorithms", "modified bayesian optimisation algorithm", "modified bayesian estimation algorithm"

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