Perhaps you should try some spelling variations:
"modified multiobjective optimisation algorithms" » "modified multiobjective optimization algorithms", "modified objective optimization algorithms", "modified multiobjective estimation algorithms", "modified multiobjective estimation algorithm", "modified multiobjective optimization algorithmss", "modified multiobjective estimation algorithmss"
"modified qoe optimisation algorithm" » "modified qoe optimization algorithms", "modified qoe estimation algorithm", "modified qoe estimation algorithms", "modified qoe optimization algorithm", "modified _ optimisation algorithm", "modified game optimization algorithm", "modified male optimisation algorithm", "modified bi1 optimisation algorithm"

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