Perhaps you should try some spelling variations:
optimization algorithmss » optimisation algorithm, estimation algorithm, optimized algorithms
optimization algorithms » optimisation algorithm, estimation algorithm, optimized algorithms
estimation algorithms » estimation algorithm, optimisation algorithm, approximation algorithms
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: "parameter ((((optimization algorithms) OR (optimization algorithmss))) OR (estimation algorithms))~".
• Adding a wildcard symbol may retrieve word variants: parameter ((((optimization algorithms) OR (optimization algorithmss))) OR (estimation algorithms))*.