Perhaps you should try some spelling variations:
"modified delphi convolutional algorithm" » "modified delphi convolution algorithms", "modified delphi evolution algorithm", "modified delphi evolutionary algorithm", "modified deep convolutional algorithm", "modified graph convolutional algorithm", "modified d convolutional algorithm"
"modified adaptive optimization algorithms" » "modified adaptive optimisation algorithm", "modified adaptive estimation algorithms", "modified adaptive estimation algorithm", "modified objective optimization algorithms", "modified adaptive quantization algorithms", "modified static optimization algorithms", "modified passive optimization algorithms"

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• Performing a fuzzy search may retrieve terms with similar spellings: (("modified adaptive optimization algorithms") OR ("modified delphi convolutional algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"modified adaptive optimization algorithms\") OR (\"modified delphi convolutional algorithm\"))*".
• Removing quotes may allow a broader search: (( modified adaptive optimization algorithms ) OR ( modified delphi convolutional algorithm ))*.