Perhaps you should try some spelling variations:
"binary rat _ optimization algorithm" » "binary rate _ optimization algorithm" (Expand Search), "binary rats _ optimization algorithm" (Expand Search)
"binary ratse based optimization algorithm" » "binary ratese based optimization algorithm" (Expand Search), "binary ratsse based optimization algorithm" (Expand Search), "binary rate based optimization algorithm" (Expand Search), "binary raise based optimization algorithm" (Expand Search), "binary rats based optimization algorithm" (Expand Search)

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"binary rat _ optimization algorithm\") OR (\"binary ratse based optimization algorithm\"))~".
• Removing quotes may allow a broader search: (( binary rat _ optimization algorithm ) OR ( binary ratse based optimization algorithm ))~.
• Adding a wildcard symbol may retrieve word variants: (("binary rat _ optimization algorithm") OR ("binary ratse based optimization algorithm"))*.