Perhaps you should try some spelling variations:
"data routing algorithm" » "data cosine algorithm" (Expand Search), "data using algorithm" (Expand Search)
"element method algorithm" » "element mould algorithm" (Expand Search), "elements method algorithm" (Expand Search)
"element multi algorithm" » "element mould algorithm" (Expand Search), "element auction algorithm" (Expand Search), "elements multi algorithm" (Expand Search)

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

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