Perhaps you should try some spelling variations:
"waste processing algorithm" » "waste processing algorithms" (Expand Search), "image processing algorithm" (Expand Search), "text processing algorithm" (Expand Search), "melt processing algorithm" (Expand Search)
"food processing algorithm" » "food processing algorithms" (Expand Search), "good processing algorithm" (Expand Search)
"element mesh algorithm" » "element deer algorithm" (Expand Search), "element search algorithm" (Expand Search), "elements mesh 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 mesh algorithm") OR ((("waste processing algorithm") OR ("food processing algorithm"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"element mesh algorithm\") OR (((\"waste processing algorithm\") OR (\"food processing algorithm\"))))".
• Removing quotes may allow a broader search: (( element mesh algorithm ) OR ((( waste processing algorithm ) OR ( food processing algorithm )))).
• Adding a wildcard symbol may retrieve word variants: (("element mesh algorithm") OR ((("waste processing algorithm") OR ("food processing algorithm"))))*.