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