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

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