Perhaps you should try some spelling variations:
"binary map igdt optimization algorithm" » "binary map _ optimization algorithm" (Expand Search), "binary rat igdt optimization algorithm" (Expand Search)
"binary images based optimization algorithm" » "binary states 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 images based optimization algorithm\") OR (\"binary map igdt optimization algorithm\"))~".
• Removing quotes may allow a broader search: (( binary images based optimization algorithm ) OR ( binary map igdt optimization algorithm ))~.
• Adding a wildcard symbol may retrieve word variants: (("binary images based optimization algorithm") OR ("binary map igdt optimization algorithm"))*.