Perhaps you should try some spelling variations:
"data routing algorithms" » "data processing algorithms" (Expand Search), "data using algorithms" (Expand Search)
"element method algorithm" » "element mould algorithm" (Expand Search), "elements method algorithm" (Expand Search)
"pooled using algorithm" » "pooled cosine algorithm" (Expand Search), "problem using algorithm" (Expand Search), "tool using algorithm" (Expand Search), "tools using 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 algorithms") OR ("pooled using algorithm"))) OR ("element method algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"data routing algorithms\") OR (\"pooled using algorithm\"))) OR (\"element method algorithm\"))".
• Removing quotes may allow a broader search: (((( data routing algorithms ) OR ( pooled using algorithm ))) OR ( element method algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("data routing algorithms") OR ("pooled using algorithm"))) OR ("element method algorithm"))*.