Perhaps you should try some spelling variations:
"modified caging optimization algorithmss" » "modified caging optimisation algorithm", "modified caging estimation algorithms", "modified caging estimation algorithm", "modified caging optimisation algorithms", "modified caging estimation algorithmss", "modified staffing optimization algorithmss"
"modified static optimization algorithms" » "modified static optimisation algorithm", "modified static estimation algorithms", "modified static estimation algorithm", "modified stage optimization algorithms", "modified stochastic optimization algorithms", "modified staffing optimization algorithms"

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