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 methods algorithm" » "element means algorithm" (Expand Search), "element network algorithm" (Expand Search), "element method algorithm" (Expand Search), "treatment methods algorithm" (Expand Search), "dependent methods algorithm" (Expand Search)
"element mesh algorithm" » "element best algorithm" (Expand Search), "element mean algorithm" (Expand Search), "element means algorithm" (Expand Search), "element method algorithm" (Expand Search), "elements mges algorithm" (Expand Search), "element te 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 mesh algorithm") OR ((("query routing algorithm") OR ("element methods algorithm"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"element mesh algorithm\") OR (((\"query routing algorithm\") OR (\"element methods algorithm\"))))".
• Removing quotes may allow a broader search: (( element mesh algorithm ) OR ((( query routing algorithm ) OR ( element methods algorithm )))).
• Adding a wildcard symbol may retrieve word variants: (("element mesh algorithm") OR ((("query routing algorithm") OR ("element methods algorithm"))))*.