Perhaps you should try some spelling variations:
"modified objective solution algorithms" » "modified objective evolution algorithm", "modified objective convolution algorithms", "modified objective estimation algorithms", "modified objective evolution algorithms", "modified objective convolution algorithmss", "modified objective evolutionary algorithms", "modified objective allocation algorithms"
"modified caging solution algorithm" » "modified caging evolution algorithm", "modified caging convolution algorithms", "modified caging evolutionary algorithm", "modified saline solution algorithm"

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