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