Perhaps you should try some spelling variations:
"data processing algorithm" » "data modeling algorithm" (Expand Search), "data routing algorithm" (Expand Search), "data tracking algorithm" (Expand Search), "image processing algorithm" (Expand Search)
"element graph algorithms" » "element art algorithms" (Expand Search), "element each algorithm" (Expand Search), "element rl algorithms" (Expand Search), "element group algorithms" (Expand Search)
"element method algorithm" » "element network algorithm" (Expand Search), "element means algorithm" (Expand Search), "element mean 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 graph algorithms") OR ("element method algorithm"))) OR ("data processing algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"element graph algorithms\") OR (\"element method algorithm\"))) OR (\"data processing algorithm\"))".
• Removing quotes may allow a broader search: (((( element graph algorithms ) OR ( element method algorithm ))) OR ( data processing algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("element graph algorithms") OR ("element method algorithm"))) OR ("data processing algorithm"))*.