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

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: (( _ ((optimizer algorithmss) OR (optimizer algorithms)) ) OR ( qoe optimization algorithms ))~.
• Adding a wildcard symbol may retrieve word variants: (( _ ((optimizer algorithmss) or (optimizer algorithms)) ) or ( qoe optimization algorithms ))*.