Perhaps you should try some spelling variations:
"modified location optimization algorithms" » "modified location optimisation algorithm", "modified location estimation algorithms", "modified location estimation algorithm", "modified allocation optimization algorithms", "modified static optimization algorithms", "modified carbon optimization algorithms"
"modified notion optimized algorithms" » "modified notion optimized algorithm", "modified notion optimizer algorithms"

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• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"modified location optimization algorithms\") OR (\"modified notion optimized algorithms\"))~".
• Removing quotes may allow a broader search: (( modified location optimization algorithms ) OR ( modified notion optimized algorithms ))~.
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