Perhaps you should try some spelling variations:
optimisation algorithmss » optimization algorithms, estimation algorithms, estimation algorithm
optimisation algorithm » optimization algorithms, estimation algorithm, estimation algorithms
objective optimisation » objective optimization, multiobjective optimization
bayesian optimisation » bayesian optimization

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• The words AND, OR and NOT may confuse the search; try adding quotes: "(( modified bayesian optimisation algorithm ) OR ( modified objective optimisation algorithmss ))~".
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