Perhaps you should try some spelling variations:
"designed network optimization algorithmssss" » "designed network optimization algorithms", "designed network optimisation algorithm", "designed network optimization algorithmsssss", "designed network optimisation algorithmssss", "designed network estimation algorithmssss", "defined network optimization algorithmssss"
"modified parameters optimization algorithm" » "modified parameter optimization algorithm", "modified parameter estimation algorithm", "modified parameters optimization algorithms", "modified parameters optimisation algorithm", "modified parameters estimation algorithm"

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