Perhaps you should try some spelling variations:
"modified parameter optimisation algorithm" » "modified parameter optimization algorithm", "modified parameter estimation algorithm", "modified parameter optimization algorithms", "modified parameter estimation algorithms"
"modified risk optimized algorithm" » "modified risk optimized algorithms", "modified risk optimizer algorithms", "modified write optimized algorithm", "modified bi1 optimized algorithm"

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