Perhaps you should try some spelling variations:
"experiments using algorithms" » "experiments cosine algorithm" (Expand Search)
"level coding algorithm" » "level cosine algorithm" (Expand Search), "level colony algorithm" (Expand Search), "level scheduling algorithm" (Expand Search)
"elements mean algorithm" » "elements deer algorithm" (Expand Search), "elements search 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: (((("elements mean algorithm") OR ("experiments using algorithms"))) OR ("level coding algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"elements mean algorithm\") OR (\"experiments using algorithms\"))) OR (\"level coding algorithm\"))".
• Removing quotes may allow a broader search: (((( elements mean algorithm ) OR ( experiments using algorithms ))) OR ( level coding algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("elements mean algorithm") OR ("experiments using algorithms"))) OR ("level coding algorithm"))*.