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

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