Perhaps you should try some spelling variations:
"fold processing algorithm" » "fold processing algorithms" (Expand Search), "melt processing algorithm" (Expand Search)
"data lacking algorithm" » "data learning algorithms" (Expand Search)
"element method algorithm" » "element mould algorithm" (Expand Search), "elements method algorithm" (Expand Search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"data lacking algorithm\") OR (\"fold processing algorithm\"))) OR (\"element method algorithm\"))~".
• Removing quotes may allow a broader search: (((( data lacking algorithm ) OR ( fold processing algorithm ))) OR ( element method algorithm ))~.
• Adding a wildcard symbol may retrieve word variants: (((("data lacking algorithm") OR ("fold processing algorithm"))) OR ("element method algorithm"))*.