Perhaps you should try some spelling variations:
"element cscap algorithm" » "element cosine algorithm" (Expand Search), "elements cscap algorithm" (Expand Search)
"element mesh algorithm" » "element deer algorithm" (Expand Search), "element search algorithm" (Expand Search), "elements mesh algorithm" (Expand Search)
"data relating algorithm" » "data regulating algorithm" (Expand Search), "data relations algorithm" (Expand Search), "data relative algorithm" (Expand Search)

Try widening your search to All Fields.

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