Perhaps you should try some spelling variations:
"modified passive quantization algorithms" » "modified passive optimization algorithms", "modified adaptive quantization algorithms"
"modified write estimation algorithms" » "modified write estimation algorithm", "modified write optimization algorithms", "modified write optimisation algorithm", "modified risk estimation algorithms", "modified pose estimation algorithms"

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