Perhaps you should try some spelling variations:
"modified stochastic approximation algorithms" » "modified diophantine approximation algorithms", "modified stochastic optimization algorithms"
"modified adam estimation algorithms" » "modified adam estimation algorithm", "modified adam optimization algorithms", "modified adam optimisation algorithm", "modified df estimation algorithms", "modified near estimation algorithms"

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