Perhaps you should try some spelling variations:
"modified bi1 optimisation algorithmss" » "modified bi1 optimisation algorithm", "modified bi1 optimization algorithms", "modified bi1 estimation algorithms", "modified _ optimisation algorithmss", "modified _ optimization algorithmss", "modified qoe optimization algorithmss"
"modified parameters optimization algorithm" » "modified parameter optimization algorithm", "modified parameter estimation algorithm", "modified parameters optimization algorithms", "modified parameters optimisation algorithm", "modified parameters estimation algorithm"

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