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