Perhaps you should try some spelling variations:
"modified objective allocation algorithms" » "modified objective estimation algorithms", "modified objective approximation algorithms"
"certified network optimized algorithm" » "certified network optimized algorithms", "certified network optimizer algorithms", "certified network optimization algorithm", "verified network optimized algorithm"

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: (("certified network optimized algorithm") OR ("modified objective allocation algorithms"))~.
• Removing quotes may allow a broader search: (( certified network optimized algorithm ) or ( modified objective allocation algorithms ))~.
• Adding a wildcard symbol may retrieve word variants: (("certified network optimized algorithm") or ("modified objective allocation algorithms"))*.