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

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( qoe optimisation algorithm ) OR ( qoe optimization algorithm ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( qoe optimisation algorithm ) OR ( qoe optimization algorithm ))*".