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

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