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

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