Perhaps you should try some spelling variations:
optimization algorithms » optimisation algorithm, estimation algorithm, optimized algorithms
estimation algorithms » estimation algorithm, optimisation algorithm, approximation algorithms
qoe optimization » game optimization, _ optimization, stage optimization
qoe estimation » pose estimation, _ estimation, cover estimations

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( qoe optimization algorithms ) OR ( qoe estimation algorithms ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( qoe optimization algorithms ) OR ( qoe estimation algorithms ))".
• Adding a wildcard symbol may retrieve word variants: (( qoe optimization algorithms ) OR ( qoe estimation algorithms ))*.