Perhaps you should try some spelling variations:
"sleep processing algorithm" » "sleep modeling algorithm" (Expand Search), "sleep routing algorithm" (Expand Search), "sleep boosting algorithm" (Expand Search), "speech processing algorithm" (Expand Search), "level processing algorithm" (Expand Search), "salmon processing algorithm" (Expand Search)
"element tracking algorithm" » "element tracking algorithms" (Expand Search), "element training algorithms" (Expand Search), "element making algorithm" (Expand Search), "movement tracking algorithm" (Expand Search), "sleep tracking algorithm" (Expand Search), "element strain algorithm" (Expand Search)
"element new algorithm" » "element novel algorithm" (Expand Search), "element _ algorithm" (Expand Search), "element ii algorithm" (Expand Search), "element te algorithm" (Expand Search), "element ree algorithm" (Expand Search), "element mesh 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: (("element new algorithm") OR ((("element tracking algorithm") OR ("sleep processing algorithm"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"element new algorithm\") OR (((\"element tracking algorithm\") OR (\"sleep processing algorithm\"))))".
• Removing quotes may allow a broader search: (( element new algorithm ) OR ((( element tracking algorithm ) OR ( sleep processing algorithm )))).
• Adding a wildcard symbol may retrieve word variants: (("element new algorithm") OR ((("element tracking algorithm") OR ("sleep processing algorithm"))))*.