Perhaps you should try some spelling variations:
"modified total optimization algorithms" » "modified total optimisation algorithm", "modified total estimation algorithms", "modified total estimation algorithm", "modified global optimization algorithms", "modified static optimization algorithms", "modified qoe optimization algorithms", "modified thermal optimization algorithms", "modified ti6al4v optimization algorithms"
"modified notion approximation algorithms" » "modified network approximation algorithms", "modified time approximation algorithms", "modified one approximation algorithms"

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