Perhaps you should try some spelling variations:
"modified multiobjective optimisation algorithm" » "modified multiobjective optimization algorithm", "modified objective optimization algorithm", "modified multiobjective optimization algorithms", "modified multiobjective estimation algorithm", "modified multiobjective estimation algorithms"
"mapping learning methods algorithm" » "machine learning methods algorithm", "enabling learning methods algorithm", "mapping 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 optimisation algorithm") OR ("mapping learning methods algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"modified multiobjective optimisation algorithm\") OR (\"mapping learning methods algorithm\"))*".
• Removing quotes may allow a broader search: (( modified multiobjective optimisation algorithm ) OR ( mapping learning methods algorithm ))*.