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

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• Performing a fuzzy search may retrieve terms with similar spellings: (("modified adam optimized algorithm") OR ("modified multiobjective optimization algorithms"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"modified adam optimized algorithm\") OR (\"modified multiobjective optimization algorithms\"))*".
• Removing quotes may allow a broader search: (( modified adam optimized algorithm ) OR ( modified multiobjective optimization algorithms ))*.