Perhaps you should try some spelling variations:
optimisation algorithms » estimation algorithms, estimation algorithm, approximation algorithms
optimization algorithms » estimation algorithms, estimation algorithm, optimized algorithms
optimisation algorithm » estimation algorithm, estimation algorithms
qoe optimisation » qoe optimization, _ optimisation, game 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: (( _ ((optimisation algorithms) OR (optimization algorithms)) ) OR ( qoe optimisation algorithm ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( _ ((optimisation algorithms) OR (optimization algorithms)) ) or ( qoe optimisation algorithm ))~".
• Adding a wildcard symbol may retrieve word variants: (( _ ((optimisation algorithms) OR (optimization algorithms)) ) or ( qoe optimisation algorithm ))*.