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 network estimation algorithms" » "modified network estimation algorithm", "modified network optimization algorithms", "modified network optimisation algorithm", "certified network estimation algorithms", "defined network estimation algorithms", "modified near estimation algorithms"

You may be able to get more results by adjusting your search query.

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