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

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• If you are trying to use Boolean operators, they must be ALL CAPS: (("modified aging estimation algorithmss") OR ("modified bayesian optimization algorithm"))~.
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