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