Perhaps you should try some spelling variations:
optimisation algorithm » optimization algorithms, estimation algorithm, estimation algorithms
bayesian optimisation » bayesian optimization
duc algorithm » our algorithm, adam algorithm, _ algorithm
code than » con than, more than
than duc » tran duc, phan duc, than doc

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• Performing a fuzzy search may retrieve terms with similar spellings: (( code than duc algorithm ) or ( modified bayesian optimisation algorithm ))~.
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