Perhaps you should try some spelling variations:
optimisation algorithm » optimization algorithms, estimation algorithm
estimation algorithms » estimation algorithm, optimization algorithms, approximation algorithms
optimizer algorithms » optimized algorithms, optimized algorithm, optimization algorithms
sphere estimation » pose estimation

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( sphere estimation algorithms ) or ( _ ((optimisation algorithm) or (optimizer algorithms)) ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( sphere estimation algorithms ) OR ( _ ((optimisation algorithm) OR (optimizer algorithms)) )).
• Adding a wildcard symbol may retrieve word variants: (( sphere estimation algorithms ) or ( _ ((optimisation algorithm) or (optimizer algorithms)) ))*.