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

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