Perhaps you should try some spelling variations:
"modified write optimization algorithms" » "modified write optimisation algorithm", "modified write estimation algorithms", "modified write estimation algorithm", "modified write optimisation algorithms", "modified write estimation algorithmss", "modified game optimization algorithms", "modified qoe optimization algorithms", "modified stage optimization algorithms"
"modified adam optimization algorithm" » "modified adam optimisation algorithm", "modified adam estimation algorithm", "modified adam estimation algorithms", "modified game optimization algorithm", "modified stage optimization algorithm", "modified _ optimization algorithm", "modified df optimization algorithm", "modified near optimization algorithm"

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• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"modified adam optimization algorithm\") OR (\"modified write optimization algorithms\"))~".
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