Perhaps you should try some spelling variations:
"modified multiobjective optimized algorithm" » "modified multiobjective optimization algorithm", "modified multiobjective optimized algorithms", "modified multiobjective optimizer algorithms"
"modified churn prediction algorithm" » "modified churn predation algorithm", "modified churn predators algorithm", "modified cliff prediction algorithm", "modified fire prediction algorithm"

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• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"modified multiobjective optimized algorithm\") OR (\"modified churn prediction algorithm\"))~".
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