Perhaps you should try some spelling variations:
"modified notion estimation algorithmsss" » "modified notion estimation algorithm", "modified notion estimation algorithmss", "modified notion optimization algorithmsss", "modified notion optimisation algorithmss", "modified motion estimation algorithmsss"
"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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