Perhaps you should try some spelling variations:
"modified changing optimization algorithmssss" » "modified changing optimization algorithms", "modified changing optimisation algorithm", "modified changing optimization algorithmsssss", "modified changing optimisation algorithmssss", "modified changing estimation algorithmssss", "modified staffing optimization algorithmssss", "modified caging optimization algorithmssss"
"modified objective optimization algorithm" » "modified multiobjective optimization algorithm", "modified objective optimization algorithms", "modified objective optimisation algorithm", "modified objective estimation algorithm"

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