Perhaps you should try some spelling variations:
optimization algorithm » optimization algorithms, optimisation algorithm, estimation algorithm
estimation algorithmss » estimation algorithms, estimation algorithm, optimization algorithms
qoe optimization » game optimization, _ optimization, stage optimization
game estimation » pose estimation, game 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 optimization algorithm ) or ( game estimation algorithmss ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( qoe optimization algorithm ) OR ( game estimation algorithmss )).
• Adding a wildcard symbol may retrieve word variants: (( qoe optimization algorithm ) or ( game estimation algorithmss ))*.