Perhaps you should try some spelling variations:
"post processing algorithm" » "post processing algorithms" (Expand Search), "text processing algorithm" (Expand Search)
"element method algorithm" » "element mould algorithm" (Expand Search), "elements method algorithm" (Expand Search)
"element study algorithm" » "elements study 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: "((\"element method algorithm\") OR (((\"post processing algorithm\") OR (\"element study algorithm\"))))~".
• Removing quotes may allow a broader search: (( element method algorithm ) OR ((( post processing algorithm ) OR ( element study algorithm ))))~.
• Adding a wildcard symbol may retrieve word variants: (("element method algorithm") OR ((("post processing algorithm") OR ("element study algorithm"))))*.