Perhaps you should try some spelling variations:
"modified network optimisation algorithmss" » "modified network optimisation algorithm", "modified network optimization algorithms", "modified network estimation algorithms", "modified network optimization algorithmss", "certified network optimisation algorithmss", "defined network optimisation algorithmss", "modified near optimisation algorithmss"
"modified allocation optimization algorithm" » "modified allocation optimization algorithms", "modified allocation optimisation algorithm", "modified allocation estimation algorithm", "modified location optimization algorithm"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("modified network optimisation algorithmss") or ("modified allocation optimization algorithm"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("modified network optimisation algorithmss") OR ("modified allocation optimization algorithm")).
• Removing quotes may allow a broader search: (( modified network optimisation algorithmss ) or ( modified allocation optimization algorithm )).
• Adding a wildcard symbol may retrieve word variants: (("modified network optimisation algorithmss") or ("modified allocation optimization algorithm"))*.