Perhaps you should try some spelling variations:
"modified multiobjective optimization algorithm" » "modified multiobjective optimization algorithms", "modified multiobjective optimisation algorithm", "modified multiobjective estimation algorithm"
"machine nursing method algorithm" » "machine nursing mom algorithm", "machines using method algorithm", "impacting nursing method algorithm", "machine learning method algorithm", "machine nursing methods 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 multiobjective optimization algorithm") OR ("machine nursing method algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"modified multiobjective optimization algorithm\") OR (\"machine nursing method algorithm\"))".
• Removing quotes may allow a broader search: (( modified multiobjective optimization algorithm ) OR ( machine nursing method algorithm )).
• Adding a wildcard symbol may retrieve word variants: (("modified multiobjective optimization algorithm") OR ("machine nursing method algorithm"))*.