Perhaps you should try some spelling variations:
"modified multiobjective optimisation algorithm" » "modified multiobjective optimization algorithm", "modified objective optimization algorithm", "modified multiobjective optimization algorithms", "modified multiobjective estimation algorithm", "modified multiobjective estimation algorithms"
"modified orca solution algorithms" » "modified orca solution algorithm", "modified orca evolution algorithm", "modified orca convolution algorithms", "modified norway solution algorithms", "modified drug solution algorithms", "modified nacl solution algorithms"

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