Perhaps you should try some spelling variations:
optimization algorithmss » optimisation algorithm, estimation algorithms, estimation algorithm
optimization algorithms » optimisation algorithm, estimation algorithms, estimation algorithm
game optimization » stage optimization, market optimization, _ optimization
qoe optimization » _ 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: (( game optimization algorithmss ) OR ( qoe optimization algorithms ))~.
• Adding a wildcard symbol may retrieve word variants: (( game optimization algorithmss ) or ( qoe optimization algorithms ))*.