Perhaps you should try some spelling variations:
optimisation algorithm » optimization algorithms, estimation algorithm, estimation algorithms
quantile optimisation » quantile estimation
ventilation algorithm » estimation algorithm, estimation algorithms, evolution algorithm
passive ventilation » adaptive ventilation, invasive ventilation
modified quantile » modified adaptive
modified passive » modified adaptive

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• Performing a fuzzy search may retrieve terms with similar spellings: (( modified quantile optimisation algorithm ) OR ( modified passive ventilation algorithm ))~.
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