Perhaps you should try some spelling variations:
"modified parameters estimation algorithm" » "modified parameter estimation algorithm", "modified parameter estimates algorithm", "modified parameter optimization algorithm"
"modified adam evolution algorithm" » "modified adam solution algorithm", "modified adam evolutionary algorithm", "modified adam convolution algorithms", "modified df evolution algorithm", "modified near evolution algorithm"

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• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"modified adam evolution algorithm\") OR (\"modified parameters estimation algorithm\"))~".
• Removing quotes may allow a broader search: (( modified adam evolution algorithm ) OR ( modified parameters estimation algorithm ))~.
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