Perhaps you should try some spelling variations:
"binary class d optimization algorithm" » "binary class _ optimization algorithm" (Expand Search), "binary class dog optimization algorithm" (Expand Search), "binary class igdt optimization algorithm" (Expand Search), "binary classe de optimization algorithm" (Expand Search)
"binary cluster based optimization algorithm" » "binary cluster base_ optimization algorithm" (Expand Search), "binary cluster basedog optimization algorithm" (Expand Search), "binary cluster baseigdt 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 class d optimization algorithm") OR ("binary cluster based optimization algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"binary class d optimization algorithm\") OR (\"binary cluster based optimization algorithm\"))*".
• Removing quotes may allow a broader search: (( binary class d optimization algorithm ) OR ( binary cluster based optimization algorithm ))*.