Perhaps you should try some spelling variations:
"modified nodal optimization algorithms" » "modified nodal optimisation algorithm", "modified nodal estimation algorithms", "modified nodal estimation algorithm", "modified nodal optimisation algorithms", "modified nodal estimation algorithmss", "modified global optimization algorithms", "modified qoe optimization algorithms", "modified adam optimization algorithms", "modified near optimization algorithms"
"modified objective optimization algorithm" » "modified multiobjective optimization algorithm", "modified objective optimisation algorithm", "modified objective estimation algorithm", "modified objective estimation algorithms"

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