Perhaps you should try some spelling variations:
optimisation algorithm » optimization algorithms, estimation algorithm, estimation algorithms
ventilation algorithm » estimation algorithm, estimation algorithms, evolution algorithm
adaptive ventilation » adaptive quantization, invasive ventilation
modified adaptive » modified passive
df optimisation » _ optimisation, _ optimization, qoe optimization
modified df » modified _, modified adam, modified bi1

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• Performing a fuzzy search may retrieve terms with similar spellings: (( modified df optimisation algorithm ) or ( modified adaptive ventilation algorithm ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( modified df optimisation algorithm ) OR ( modified adaptive ventilation algorithm )).
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