Perhaps you should try some spelling variations:
"modified static estimation algorithmsss" » "modified static estimation algorithms", "modified static estimation algorithm", "modified static optimization algorithmsss"
"modified parameters optimization algorithms" » "modified parameter optimization algorithms", "modified parameter estimation algorithms", "modified parameters optimisation algorithm", "modified parameters estimation algorithms", "modified parameters estimation algorithm"

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

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