Perhaps you should try some spelling variations:
"modified multiobjective optimizer algorithms" » "modified multiobjective optimization algorithms", "modified multiobjective optimized algorithms", "modified multiobjective optimized algorithm"
"machinery learning methods algorithm" » "machine learning methods algorithm", "machinery nursing methods algorithm"

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• Performing a fuzzy search may retrieve terms with similar spellings: (("machinery learning methods algorithm") OR ("modified multiobjective optimizer algorithms"))~.
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