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

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