Perhaps you should try some spelling variations:
"modified objective optimization algorithms" » "modified objective optimisation algorithm", "modified objective estimation algorithms", "modified objective estimation algorithm", "modified multiobjective optimization algorithms"
"modified charging optimizer algorithms" » "modified charging optimized algorithms", "modified charging optimized algorithm", "modified choosing optimizer algorithms", "modified caging optimizer algorithms", "modified carbon optimizer algorithms"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("modified charging optimizer algorithms") OR ("modified objective optimization algorithms"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"modified charging optimizer algorithms\") OR (\"modified objective optimization algorithms\"))".
• Removing quotes may allow a broader search: (( modified charging optimizer algorithms ) OR ( modified objective optimization algorithms )).
• Adding a wildcard symbol may retrieve word variants: (("modified charging optimizer algorithms") OR ("modified objective optimization algorithms"))*.