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"
"towler graining methods algorithm" » "towler learning methods algorithm", "towler learning method algorithm", "towler making methods algorithm", "tower graining methods algorithm", "bowler graining methods algorithm"

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