Perhaps you should try some spelling variations:
"modified changing optimization algorithmss" » "modified changing optimisation algorithm", "modified changing estimation algorithms", "modified changing estimation algorithm", "modified changing optimisation algorithms", "modified changing estimation algorithmss", "modified staffing optimization algorithmss", "modified caging optimization algorithmss"
"modified allocation optimization algorithms" » "modified allocation optimisation algorithm", "modified allocation estimation algorithms", "modified allocation estimation algorithm", "modified location optimization algorithms"

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