Perhaps you should try some spelling variations:
"defined network optimization algorithmssss" » "defined network optimisation algorithm", "defined network optimisation algorithmsss", "defined network estimation algorithmssss", "defined network estimation algorithmsss", "designed network 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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