Perhaps you should try some spelling variations:
"fold modeling algorithm" » "fold making algorithm" (Expand Search), "field modeling algorithm" (Expand Search), "flood modeling algorithm" (Expand Search), "yield modeling algorithm" (Expand Search)
"data routing algorithm" » "data finding algorithm" (Expand Search), "data making algorithm" (Expand Search), "data clustering algorithm" (Expand Search), "data groupings algorithm" (Expand Search), "data relating algorithm" (Expand Search), "data using 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)

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