Perhaps you should try some spelling variations:
optimization algorithms » optimisation algorithm, estimation algorithms, estimation algorithm
optimization algorithm » optimisation algorithm, estimation algorithm, estimation algorithms
sphere optimization » sphere estimation, stage optimization, response 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 ( sphere optimization algorithms ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( game optimization algorithm ) OR ( sphere optimization algorithms ))*.