Perhaps you should try some spelling variations:
"binary class whale optimization algorithm" » "binary class swarm optimization algorithm" (Expand Search)
"binary class wolf optimization algorithm" » "binary class swarm optimization algorithm" (Expand Search), "binary class codon optimization algorithm" (Expand Search), "binary class _ optimization algorithm" (Expand Search)

Try widening your search to All Fields.

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

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