Perhaps you should try some spelling variations:
"stochastic estimation algorithmssssss" » "stochastic estimation algorithm", "stochastic optimization algorithmssssss", "stochastic estimation algorithmsssss", "stochastic optimisation algorithmsssss"
"parameters estimation algorithms" » "parameter estimation algorithms", "parameter estimates algorithms", "parameter optimization algorithms", "parameters estimation algorithm", "parameters optimization algorithms", "parameters optimisation algorithm"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("stochastic estimation algorithmssssss") OR ("parameters estimation algorithms"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"stochastic estimation algorithmssssss\") OR (\"parameters estimation algorithms\"))".
• Removing quotes may allow a broader search: (( stochastic estimation algorithmssssss ) OR ( parameters estimation algorithms )).
• Adding a wildcard symbol may retrieve word variants: (("stochastic estimation algorithmssssss") OR ("parameters estimation algorithms"))*.