Perhaps you should try some spelling variations:
"modified parameter optimization algorithmssssss" » "modified parameter optimization algorithms", "modified parameter optimisation algorithm", "modified parameter optimization algorithmsssssss", "modified parameter optimisation algorithmssssss", "modified parameter estimation algorithmssssss", "modified parameters optimization algorithmssssss"
"modified caging optimization algorithm" » "modified caging optimization algorithms", "modified caging optimisation algorithm", "modified caging estimation algorithm", "modified staffing 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: (("modified caging optimization algorithm") or ("modified parameter optimization algorithmssssss"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("modified caging optimization algorithm") OR ("modified parameter optimization algorithmssssss")).
• Removing quotes may allow a broader search: (( modified caging optimization algorithm ) or ( modified parameter optimization algorithmssssss )).
• Adding a wildcard symbol may retrieve word variants: (("modified caging optimization algorithm") or ("modified parameter optimization algorithmssssss"))*.