Perhaps you should try some spelling variations:
"data modeling algorithm" » "data making algorithm" (Expand Search), "data modelling algorithm" (Expand Search), "data models 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 ree algorithm" » "element tree algorithms" (Expand Search), "element new algorithm" (Expand Search), "element rf algorithm" (Expand Search), "elements ree algorithm" (Expand Search), "elements res 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: (((("data routing algorithm") OR ("data modeling algorithm"))) OR ("element ree algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"data routing algorithm\") OR (\"data modeling algorithm\"))) OR (\"element ree algorithm\"))".
• Removing quotes may allow a broader search: (((( data routing algorithm ) OR ( data modeling algorithm ))) OR ( element ree algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("data routing algorithm") OR ("data modeling algorithm"))) OR ("element ree algorithm"))*.