Perhaps you should try some spelling variations:
"modified location optimization algorithms" » "modified location optimisation algorithm", "modified location estimation algorithms", "modified location estimation algorithm", "modified location optimisation algorithms", "modified location estimation algorithmss", "modified allocation optimization algorithms", "modified static optimization algorithms", "modified carbon optimization algorithms"
"modified parameter optimization algorithm" » "modified parameter optimisation algorithm", "modified parameter estimation algorithm", "modified parameter estimation algorithms", "modified parameters optimization algorithm"

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