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

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( over optimization algorithms ) OR ( game optimisation algorithm ))~.
• Adding a wildcard symbol may retrieve word variants: (( over optimization algorithms ) or ( game optimisation algorithm ))*.