Perhaps you should try some spelling variations:
"modified allocation optimization algorithm" » "modified allocation optimization algorithms", "modified allocation optimisation algorithm", "modified allocation estimation algorithm", "modified location optimization algorithm"
"modified made estimation algorithms" » "modified made estimation algorithm", "modified made optimization algorithms", "modified made optimisation algorithm", "modified pose estimation algorithms", "modified male estimation algorithms", "modified adam estimation algorithms", "modified df estimation algorithms"

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