Perhaps you should try some spelling variations:
"waste processing algorithm" » "data processing algorithm" (Expand Search), "image processing algorithm" (Expand Search), "wood processing algorithm" (Expand Search)
"time processing algorithm" » "image processing algorithm" (Expand Search), "pre processing algorithm" (Expand Search), "antigen processing algorithm" (Expand Search)
"sediment svm algorithm" » "sediment em algorithm" (Expand Search), "sediment swarm algorithm" (Expand Search), "sediment _ algorithm" (Expand Search), "sediment size algorithm" (Expand Search), "sediment from algorithm" (Expand Search), "sediments _ algorithm" (Expand Search)

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("time processing algorithm") OR ("waste processing algorithm"))) OR ("sediment svm algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"time processing algorithm\") OR (\"waste processing algorithm\"))) OR (\"sediment svm algorithm\"))".
• Removing quotes may allow a broader search: (((( time processing algorithm ) OR ( waste processing algorithm ))) OR ( sediment svm algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("time processing algorithm") OR ("waste processing algorithm"))) OR ("sediment svm algorithm"))*.