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

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• Performing a fuzzy search may retrieve terms with similar spellings: (("modified parameter optimization algorithms") or ("modified motion optimization algorithmss"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("modified parameter optimization algorithms") OR ("modified motion optimization algorithmss")).
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