Perhaps you should try some spelling variations:
"modified allocation optimisation algorithm" » "modified allocation optimization algorithm", "modified allocation optimization algorithms", "modified allocation estimation algorithm", "modified allocation estimation algorithms"
"modified df optimized algorithm" » "modified df optimized algorithms", "modified df optimizer algorithms", "modified _ optimized algorithm", "modified _ optimize algorithm", "modified adam optimized algorithm", "modified bi1 optimized algorithm"

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