Perhaps you should try some spelling variations:
"modified game optimisation algorithm" » "modified game optimization algorithms", "modified game estimation algorithm", "modified game estimation algorithms", "modified game optimization algorithm", "modified stage optimization algorithm", "modified _ optimisation algorithm", "modified male optimisation algorithm", "modified adam optimisation algorithm"
"modified notion approximation algorithms" » "modified network approximation algorithms", "modified time approximation algorithms", "modified one approximation algorithms"

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