Perhaps you should try some spelling variations:
optimization algorithms » optimisation algorithm, estimation algorithms, estimation algorithm
convolution algorithms » evolution algorithm
solution algorithm » evolution algorithm, evolutionary algorithm, estimation algorithm
qoe optimization » game optimization, _ optimization, stage optimization

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• Performing a fuzzy search may retrieve terms with similar spellings: (( qoe optimization algorithms ) or ( device ((solution algorithm) or (convolution algorithms)) ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( qoe optimization algorithms ) OR ( device ((solution algorithm) OR (convolution algorithms)) )).
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