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

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