Perhaps you should try some spelling variations:
"modified charging convolution algorithms" » "modified charging evolution algorithm", "modified charging solution algorithm", "modified learning convolution algorithms", "modified caging convolution algorithms", "modified carbon convolution algorithms"
"modified objective estimation algorithm" » "modified objective optimization algorithm", "modified objective allocation algorithm"

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