Perhaps you should try some spelling variations:
"parameters optimization algorithmssssssss" » "parameters optimization algorithms", "parameter optimization algorithmssssssss", "parameter estimation algorithmssssssss"
"stochastic optimisation algorithm" » "stochastic optimization algorithm", "static optimization algorithm", "stochastic configuration algorithm", "stochastic optimization algorithms", "stochastic estimation algorithm", "stochastic estimation algorithms"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (("stochastic optimisation algorithm") or ("parameters optimization algorithmssssssss"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("stochastic optimisation algorithm") OR ("parameters optimization algorithmssssssss")).
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