Perhaps you should try some spelling variations:
optimization algorithm » optimization algorithms, estimation algorithm, estimation algorithms
optimisation algorithm » optimization algorithms, estimation algorithm, estimation algorithms
robust optimisation » robust optimization
game optimization » stage optimization, qoe optimization, market optimization

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( game optimization algorithm ) or ( robust optimisation algorithm ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( game optimization algorithm ) OR ( robust optimisation algorithm ))*.