Perhaps you should try some spelling variations:
"query routing algorithm" » "query modeling algorithm" (Expand Search), "query finding algorithm" (Expand Search), "query making algorithm" (Expand Search)
"element tree algorithms" » "element three algorithms" (Expand Search), "element art algorithms" (Expand Search), "element two algorithms" (Expand Search), "element ree algorithms" (Expand Search), "element te algorithms" (Expand Search), "element ore algorithms" (Expand Search)
"element data algorithm" » "element data algorithms" (Expand Search), "element update algorithm" (Expand Search), "element atlas algorithm" (Expand Search), "settlement data algorithm" (Expand Search), "relevant data algorithm" (Expand Search), "movement data algorithm" (Expand Search)

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