Perhaps you should try some spelling variations:
optimisation algorithm » optimization algorithms, estimation algorithm, estimation algorithms
game optimization » stage optimization, market optimization, _ optimization
qoe optimization » _ optimization, stage optimization, _ optimisation
qoe optimisation » _ optimisation, _ optimization

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• Performing a fuzzy search may retrieve terms with similar spellings: (( ((game optimization) or (qoe optimization)) algorithm ) or ( qoe optimisation algorithm ))~.
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