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