Perhaps you should try some spelling variations:
estimation algorithms » estimation algorithm, optimization algorithms, optimisation algorithm
estimates algorithms » estimation algorithm, optimized algorithms, optimizer algorithms
parameter estimates » parameter estimation
post estimation » pose estimation, risk estimation, pulses estimation

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( post estimation algorithms ) or ( parameter estimates algorithms ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( post estimation algorithms ) OR ( parameter estimates algorithms ))*.