Perhaps you should try some spelling variations:
"waste processing algorithm" » "waste processing algorithms" (Expand Search), "image processing algorithm" (Expand Search), "text processing algorithm" (Expand Search), "melt processing algorithm" (Expand Search)
"query modeling algorithm" » "query scheduling algorithm" (Expand Search)
"element data algorithm" » "element jaya algorithm" (Expand Search), "element deer algorithm" (Expand Search), "elements data algorithm" (Expand Search)

Try widening your search to All Fields.

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