Perhaps you should try some spelling variations:
"modified notion optimisation algorithms" » "modified notion optimisation algorithm", "modified notion optimization algorithms", "modified notion estimation algorithm", "modified network optimization algorithms"
"modified pose estimation algorithms" » "modified pose estimation algorithm", "modified pose optimization algorithms", "modified pose optimisation algorithm", "modified male estimation algorithms", "modified passive estimation algorithms"

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