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