Perhaps you should try some spelling variations:
"modified changing convolution algorithms" » "modified changing evolution algorithm", "modified changing solution algorithm", "modified learning convolution algorithms", "modified caging convolution algorithms"
"modified objective evolution algorithms" » "modified objective evolution algorithm", "modified objective solution algorithm", "modified objective evolutionary algorithm", "modified objective evolutionary algorithms", "modified objective allocation algorithms"

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• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"modified objective evolution algorithms\") OR (\"modified changing convolution algorithms\"))~".
• Removing quotes may allow a broader search: (( modified objective evolution algorithms ) OR ( modified changing convolution algorithms ))~.
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