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