Perhaps you should try some spelling variations:
"modified objective optimisation algorithm" » "modified objective optimization algorithm", "modified multiobjective optimization algorithm", "modified objective optimization algorithms", "modified objective estimation algorithm", "modified objective estimation algorithms"
"modified d solution algorithm" » "modified d evolution algorithm", "modified d convolution algorithms", "modified d evolutionary algorithm", "modified df solution algorithm", "modified _ solution algorithm", "modified adam solution algorithm", "modified _ solutions algorithm", "modified drug solution algorithm"

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