Perhaps you should try some spelling variations:
"modified write optimization algorithmss" » "modified write optimization algorithms", "modified write estimation algorithms", "modified write estimation algorithm", "modified game optimization algorithmss", "modified qoe optimization algorithmss", "modified stage optimization algorithmss"
"modified objective optimisation algorithm" » "modified objective optimization algorithm", "modified multiobjective optimization algorithm", "modified objective optimization algorithms", "modified objective estimation algorithm", "modified objective estimation algorithms"

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