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

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

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