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

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