Perhaps you should try some spelling variations:
"modified _ convolutional algorithms" » "modified _ convolution algorithms", "modified _ evolution algorithm", "modified _ evolutionary algorithm"
"modified notion optimization algorithms" » "modified notion optimisation algorithm", "modified notion estimation algorithms", "modified notion estimation algorithm", "modified network optimization algorithms", "modified policy optimization algorithms", "modified allocation optimization algorithms"

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• Performing a fuzzy search may retrieve terms with similar spellings: (("modified notion optimization algorithms") OR ("modified _ convolutional algorithms"))~.
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