Perhaps you should try some spelling variations:
"modified quantile optimization algorithms" » "modified quantile optimisation algorithm", "modified quantile estimation algorithms", "modified quantile estimation algorithm", "modified quadratic optimization algorithms", "modified static optimization algorithms", "modified adaptive optimization algorithms"
"modified counting methods algorithm" » "modified caging methods algorithm", "modified nursing methods algorithm", "modified control methods algorithm"

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• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"modified counting methods algorithm\") OR (\"modified quantile optimization algorithms\"))~".
• Removing quotes may allow a broader search: (( modified counting methods algorithm ) OR ( modified quantile optimization algorithms ))~.
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