Perhaps you should try some spelling variations:
"data processing algorithm" » "data processing algorithms" (Expand Search)
"data packing algorithm" » "data lacking algorithm" (Expand Search), "data parking algorithm" (Expand Search), "data tracking algorithm" (Expand Search)
"element update algorithm" » "elements update algorithm" (Expand Search), "element updated 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: (((("data packing algorithm") OR ("data processing algorithm"))) OR ("element update algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"data packing algorithm\") OR (\"data processing algorithm\"))) OR (\"element update algorithm\"))".
• Removing quotes may allow a broader search: (((( data packing algorithm ) OR ( data processing algorithm ))) OR ( element update algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("data packing algorithm") OR ("data processing algorithm"))) OR ("element update algorithm"))*.