Perhaps you should try some spelling variations:
"modified parameter optimizer algorithmsss" » "modified parameter optimized algorithms", "modified parameter optimized algorithm", "modified parameter optimized algorithmsss", "modified parameter optimized algorithmss", "modified parameter optimization algorithmsss"
"modified objective optimizer algorithms" » "modified objective optimized algorithms", "modified objective optimized algorithm", "modified objective optimization algorithms", "modified objective optimal algorithms"

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• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"modified parameter optimizer algorithmsss\") OR (\"modified objective optimizer algorithms\"))~".
• Removing quotes may allow a broader search: (( modified parameter optimizer algorithmsss ) OR ( modified objective optimizer algorithms ))~.
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