Perhaps you should try some spelling variations:
"post estimation algorithms" » "post estimation algorithm", "post optimization algorithms", "post optimisation algorithm", "pose estimation algorithms", "risk estimation algorithms", "pulses estimation algorithms"
"_ optimizer algorithmss" » "_ optimized algorithms", "_ optimized algorithm", "_ optimized algorithmss", "_ optimization algorithmss", "_ optimize algorithmss", "_ optimise algorithmss"
"_ optimizer algorithms" » "_ optimized algorithms", "_ optimized algorithm", "_ optimization algorithms", "_ optimize algorithms", "_ optimise algorithms"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("_ optimizer algorithmss") OR ("_ optimizer algorithms"))) OR ("post estimation algorithms"))~.
• Removing quotes may allow a broader search: (((( _ optimizer algorithmss ) or ( _ optimizer algorithms ))) or ( post estimation algorithms ))~.
• Adding a wildcard symbol may retrieve word variants: (((("_ optimizer algorithmss") or ("_ optimizer algorithms"))) or ("post estimation algorithms"))*.