Perhaps you should try some spelling variations:
"modified parameter optimization algorithms" » "modified parameter optimisation algorithm", "modified parameter estimation algorithms", "modified parameter estimation algorithm", "modified parameters optimization algorithms"
"modified caging estimation algorithmss" » "modified caging estimation algorithms", "modified caging estimation algorithm", "modified lighting estimation algorithmss"

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• Removing quotes may allow a broader search: (( modified caging estimation algorithmss ) OR ( modified parameter optimization algorithms ))~.
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