Perhaps you should try some spelling variations:
"modified static optimization algorithm" » "modified static optimization algorithms", "modified static optimisation algorithm", "modified static estimation algorithm", "modified stage optimization algorithm", "modified stochastic optimization algorithm", "modified staffing optimization algorithm"
"modified changing optimizer algorithms" » "modified changing optimized algorithms", "modified changing optimized algorithm", "modified changing optimization algorithms", "modified choosing optimizer algorithms", "modified caging optimizer algorithms"

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