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