Perhaps you should try some spelling variations:
"modified allocation estimation algorithm" » "modified allocation optimization algorithm", "modified motion estimation algorithm"
"modified stochastic evolution algorithm" » "modified stochastic solution algorithm", "modified stochastic evolutionary algorithm", "modified stochastic convolution algorithms"

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• If you are trying to use Boolean operators, they must be ALL CAPS: (("modified stochastic evolution algorithm") OR ("modified allocation estimation algorithm"))~.
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