Perhaps you should try some spelling variations:
convolutional algorithm » convolution algorithms, evolution algorithm, evolutionary algorithm
parameters estimation » parameter estimation, parameter estimates, parameter optimization
deep convolutional » d convolutional, graph convolutional
modified deep » modified delphi, modified df, modified near

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