Perhaps you should try some spelling variations:
"data processing algorithm" » "data routing algorithm" (Expand Search), "data tracking algorithm" (Expand Search), "data boosting algorithm" (Expand Search), "image processing algorithm" (Expand Search)
"image modeling algorithm" » "image making algorithm" (Expand Search), "age modeling algorithm" (Expand Search), "climate modeling algorithm" (Expand Search), "case modeling algorithm" (Expand Search)
"element ii algorithm" » "element _ algorithm" (Expand Search), "element _ algorithms" (Expand Search), "element g algorithm" (Expand Search), "element te 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 processing algorithm") OR ("image modeling algorithm"))) OR ("element ii algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"data processing algorithm\") OR (\"image modeling algorithm\"))) OR (\"element ii algorithm\"))".
• Removing quotes may allow a broader search: (((( data processing algorithm ) OR ( image modeling algorithm ))) OR ( element ii algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("data processing algorithm") OR ("image modeling algorithm"))) OR ("element ii algorithm"))*.