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

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