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