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

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