Perhaps you should try some spelling variations:
"binary based complex optimization algorithm" » "binary based chimp optimization algorithm" (Expand Search)
"binary based whale optimization algorithm" » "binary based swarm optimization algorithm" (Expand Search), "binary based 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 based whale optimization algorithm\") OR (\"binary based complex optimization algorithm\"))~".
• Removing quotes may allow a broader search: (( binary based whale optimization algorithm ) OR ( binary based complex optimization algorithm ))~.
• Adding a wildcard symbol may retrieve word variants: (("binary based whale optimization algorithm") OR ("binary based complex optimization algorithm"))*.