Perhaps you should try some spelling variations:
"modified multiobjective optimized algorithms" » "modified multiobjective optimization algorithms", "modified multiobjective optimized algorithm", "modified multiobjective optimizer algorithms"
"modified fire predation algorithm" » "modified fire predators algorithm", "modified fire estimation algorithm", "modified fire prediction algorithm", "modified seird predation algorithm", "modified bi1 predation algorithm", "modified male predation algorithm"

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