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

Try widening your search to All Fields.

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 algorithmsssssssssss") or ("parameter optimization algorithm"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("notion optimization algorithmsssssssssss") OR ("parameter optimization algorithm")).
• Removing quotes may allow a broader search: (( notion optimization algorithmsssssssssss ) or ( parameter optimization algorithm )).
• Adding a wildcard symbol may retrieve word variants: (("notion optimization algorithmsssssssssss") or ("parameter optimization algorithm"))*.