Perhaps you should try some spelling variations:
"modified multiobjective approximation algorithms" » "modified multiobjective optimization algorithms"
"core learning method algorithm" » "core learning mom algorithm", "core learning methods algorithm", "core graining methods algorithm", "core learning emotion algorithm", "how learning method algorithm"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("core learning method algorithm") or ("modified multiobjective approximation algorithms"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("core learning method algorithm") OR ("modified multiobjective approximation algorithms")).
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