Perhaps you should try some spelling variations:
"modified adaptive quantization algorithmss" » "modified adaptive estimation algorithms", "modified adaptive optimization algorithms", "modified adaptive ventilation algorithmss"
"modified passive optimisation algorithm" » "modified passive optimization algorithms", "modified passive estimation algorithm", "modified passive estimation algorithms"

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• Performing a fuzzy search may retrieve terms with similar spellings: (("modified passive optimisation algorithm") OR ("modified adaptive quantization algorithmss"))~.
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