Perhaps you should try some spelling variations:
"text processing algorithm" » "text processing algorithms" (Expand Search)
"models using algorithm" » "models cosine algorithm" (Expand Search), "model using algorithm" (Expand Search)
"element update algorithm" » "elements update algorithm" (Expand Search), "element updated 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: (("element update algorithm") OR ((("text processing algorithm") OR ("models using algorithm"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"element update algorithm\") OR (((\"text processing algorithm\") OR (\"models using algorithm\"))))*".
• Removing quotes may allow a broader search: (( element update algorithm ) OR ((( text processing algorithm ) OR ( models using algorithm ))))*.