Perhaps you should try some spelling variations:
"parameter optimization algorithmsssss" » "parameter optimisation algorithm", "parameter optimisation algorithmssss", "parameter estimation algorithmsssss", "parameter estimation algorithmssss", "parameters optimization algorithmsssss"
"notion optimization algorithms" » "notion optimisation algorithm", "notion estimation algorithms", "notion estimation algorithm", "network optimization algorithms", "policy optimization algorithms", "allocation optimization algorithms"

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

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