Perhaps you should try some spelling variations:
"modified pose estimation algorithmss" » "modified pose estimation algorithm", "modified pose optimization algorithms", "modified pose estimation algorithms", "modified pose optimization algorithmss", "modified pose optimisation algorithms", "modified male estimation algorithmss", "modified passive estimation algorithmss"
"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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• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"modified pose estimation algorithmss\") OR (\"modified parameters estimation algorithms\"))~".
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