Perhaps you should try some spelling variations:
"binary rats level optimization algorithm" » "binary rats global optimization algorithm" (Expand Search), "binary rat level optimization algorithm" (Expand Search), "binary rank level optimization algorithm" (Expand Search)
"binary iot based optimization algorithm" » "binary rat 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 iot based optimization algorithm") OR ("binary rats level optimization algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"binary iot based optimization algorithm\") OR (\"binary rats level optimization algorithm\"))*".
• Removing quotes may allow a broader search: (( binary iot based optimization algorithm ) OR ( binary rats level optimization algorithm ))*.