Perhaps you should try some spelling variations:
"modified nacl optimization algorithms" » "modified nacl optimisation algorithm", "modified nacl estimation algorithms", "modified nacl estimation algorithm", "modified game optimization algorithms", "modified stage optimization algorithms", "modified _ optimization algorithms", "modified male optimization algorithms", "modified near optimization algorithms", "modified orca optimization algorithms"
"modified objective allocation algorithm" » "modified objective estimation algorithm", "modified objective evolution algorithm", "modified objective predation algorithm"

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