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