Perhaps you should try some spelling variations:
"query processing algorithm" » "query modeling algorithm" (Expand Search), "query routing algorithm" (Expand Search), "query tracking algorithm" (Expand Search), "pre processing algorithm" (Expand Search)
"elements magic algorithm" » "elements making algorithm" (Expand Search), "elements mogwo algorithm" (Expand Search), "elements fastica algorithm" (Expand Search), "elements mges algorithm" (Expand Search)
"element data algorithms" » "element art algorithms" (Expand Search), "element all algorithms" (Expand Search), "element both algorithms" (Expand Search), "settlement data algorithms" (Expand Search), "relevant data algorithms" (Expand Search), "movement data algorithms" (Expand Search)

Try widening your search to All Fields.

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