Perhaps you should try some spelling variations:
ventilation algorithms » estimation algorithms, estimation algorithm, convolution algorithms
adaptive ventilation » adaptive quantization, invasive ventilation
evolution algorithm » solution algorithm, evolutionary algorithm, convolution algorithms
invasive evolution » invasive ventilation
modified adaptive » modified passive
modified invasive » modified passive

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• Performing a fuzzy search may retrieve terms with similar spellings: (( modified adaptive ventilation algorithms ) OR ( modified invasive evolution algorithm ))~.
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