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

You may be able to get more results by adjusting your search query.

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