Perhaps you should try some spelling variations:
"improvements can algorithm" » "improvement _ algorithm" (Expand Search), "improvements carlo algorithm" (Expand Search), "improvements jaya algorithm" (Expand Search), "improvements rd algorithm" (Expand Search)
"neural cosine algorithm" » "neural colony algorithm" (Expand Search)
"elementi per algorithm" » "elementi deer algorithm" (Expand Search), "elementi rd algorithm" (Expand Search), "elementi search algorithm" (Expand Search), "elements per algorithm" (Expand Search), "element per algorithm" (Expand Search), "elemental per algorithm" (Expand Search)

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("improvements can algorithm") OR ((("elementi per algorithm") OR ("neural cosine algorithm"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"improvements can algorithm\") OR (((\"elementi per algorithm\") OR (\"neural cosine algorithm\"))))".
• Removing quotes may allow a broader search: (( improvements can algorithm ) OR ((( elementi per algorithm ) OR ( neural cosine algorithm )))).
• Adding a wildcard symbol may retrieve word variants: (("improvements can algorithm") OR ((("elementi per algorithm") OR ("neural cosine algorithm"))))*.