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