Perhaps you should try some spelling variations:
"modified parameter optimization algorithmssss" » "modified parameter optimization algorithms", "modified parameter optimisation algorithm", "modified parameters optimization algorithmssss"
"modified adaptive optimizer algorithms" » "modified adaptive optimized algorithms", "modified adaptive optimized algorithm", "modified adaptive optimization algorithms", "modified passive optimizer algorithms"

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