Perhaps you should try some spelling variations:
optimization algorithmss » optimization algorithms, estimation algorithms, estimation algorithm
optimisation algorithm » optimization algorithms, estimation algorithm, estimation algorithms
game optimisation » game optimization, stage optimization, _ optimisation
parameter » parameters

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "(( game optimisation algorithm ) OR ( parameter optimization algorithmss ))~".
• Adding a wildcard symbol may retrieve word variants: (( game optimisation algorithm ) OR ( parameter optimization algorithmss ))*.