Perhaps you should try some spelling variations:
"modified multiobjective optimisation algorithm" » "modified multiobjective optimization algorithm", "modified objective optimization algorithm", "modified multiobjective optimization algorithms", "modified multiobjective estimation algorithm", "modified multiobjective estimation algorithms"
"verified network optimizer algorithms" » "verified network optimized algorithms", "verified network optimized algorithm", "verified network optimization algorithms", "certified network optimizer algorithms", "defined network optimizer algorithms"

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