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

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