Perhaps you should try some spelling variations:
"modified multiobjective optimized algorithm" » "modified multiobjective optimization algorithm", "modified multiobjective optimized algorithms", "modified multiobjective optimizer algorithms"
"modified drug solution algorithm" » "modified drug evolution algorithm", "modified drug convolution algorithms", "modified drug evolutionary algorithm", "modified df solution algorithm", "modified orca solution algorithm"

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• Removing quotes may allow a broader search: (( modified multiobjective optimized algorithm ) OR ( modified drug solution algorithm ))~.
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