Perhaps you should try some spelling variations:
"cfd modeling algorithm" » "cfd making algorithm" (Expand Search), "3d modeling algorithm" (Expand Search), "cox modeling algorithm" (Expand Search), "afm 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 method algorithms" » "element two algorithms" (Expand Search), "element both algorithms" (Expand Search), "element other algorithms" (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 ("cfd modeling algorithm"))) OR ("element method algorithms"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"data routing algorithm\") OR (\"cfd modeling algorithm\"))) OR (\"element method algorithms\"))".
• Removing quotes may allow a broader search: (((( data routing algorithm ) OR ( cfd modeling algorithm ))) OR ( element method algorithms )).
• Adding a wildcard symbol may retrieve word variants: (((("data routing algorithm") OR ("cfd modeling algorithm"))) OR ("element method algorithms"))*.