Perhaps you should try some spelling variations:
"modified stochastic optimization algorithm" » "modified stochastic optimization algorithms", "modified stochastic optimisation algorithm", "modified stochastic estimation algorithm"
"modified notion optimizer algorithms" » "modified notion optimized algorithms", "modified notion optimized algorithm", "modified notion optimization algorithms"

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• Performing a fuzzy search may retrieve terms with similar spellings: (("modified stochastic optimization algorithm") OR ("modified notion optimizer algorithms"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"modified stochastic optimization algorithm\") OR (\"modified notion optimizer algorithms\"))*".
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