Perhaps you should try some spelling variations:
"modified caging convolution algorithm" » "modified caging convolution algorithms", "modified caging evolution algorithm", "modified caging solution algorithm", "modified learning convolution algorithm"
"modified parameters estimation algorithms" » "modified parameter estimation algorithms", "modified parameter estimates algorithms", "modified parameter optimization algorithms", "modified parameters estimation algorithm", "modified parameters optimization algorithms", "modified parameters optimisation algorithm"

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