Perhaps you should try some spelling variations:
"modified notion optimization algorithmssss" » "modified notion optimisation algorithm", "modified notion optimisation algorithmsss", "modified notion estimation algorithmssss", "modified notion estimation algorithmsss", "modified network optimization algorithmssss", "modified policy optimization algorithmssss", "modified allocation optimization algorithmssss"
"modified quadratic optimization algorithms" » "modified quadratic optimisation algorithm", "modified quadratic estimation algorithms", "modified quadratic estimation algorithm", "modified static optimization algorithms"

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• If you are trying to use Boolean operators, they must be ALL CAPS: (("modified notion optimization algorithmssss") OR ("modified quadratic optimization algorithms"))~.
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