Perhaps you should try some spelling variations:
"modified objective optimisation algorithmsss" » "modified objective optimization algorithms", "modified objective estimation algorithms", "modified objective optimization algorithmssss", "modified objective estimation algorithmsss", "modified objective estimation algorithmssss", "modified objective optimization algorithmsss", "modified multiobjective optimization algorithmsss"
"modified robust optimisation algorithm" » "modified robust optimization algorithms", "modified robust estimation algorithm", "modified robust estimation algorithms", "modified robust optimization algorithm"

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