Perhaps you should try some spelling variations:
"defined network optimisation algorithmss" » "defined network optimization algorithms", "defined network estimation algorithms", "defined network estimation algorithm", "defined network optimization algorithmsss", "defined network estimation algorithmss", "defined network estimation algorithmsss", "defined network optimization algorithmss"
"modified allocation optimisation algorithm" » "modified allocation optimization algorithm", "modified allocation optimization algorithms", "modified allocation estimation algorithm", "modified allocation estimation algorithms"

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