Perhaps you should try some spelling variations:
"modified aging optimization algorithms" » "modified aging estimation algorithms", "modified aging estimation algorithm", "modified aging optimized algorithms", "modified staffing optimization algorithms", "modified game optimization algorithms", "modified caging optimization algorithms"
"modified stochastic optimisation algorithm" » "modified stochastic optimization algorithm", "modified static optimization algorithm", "modified stochastic configuration algorithm", "modified stochastic estimation algorithm", "modified stochastic estimation algorithms"

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