Perhaps you should try some spelling variations:
"age modeling algorithm" » "age making algorithm" (Expand Search), "case modeling algorithm" (Expand Search), "a modeling algorithm" (Expand Search), "afm modeling algorithm" (Expand Search)
"element method algorithms" » "element two algorithms" (Expand Search), "element both algorithms" (Expand Search), "element other algorithms" (Expand Search)
"element rf algorithm" » "element _ algorithm" (Expand Search), "element ii algorithm" (Expand Search), "element art algorithms" (Expand Search), "element ore algorithm" (Expand Search), "element ree 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: (("age modeling algorithm") OR ((("element rf algorithm") OR ("element method algorithms"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"age modeling algorithm\") OR (((\"element rf algorithm\") OR (\"element method algorithms\"))))".
• Removing quotes may allow a broader search: (( age modeling algorithm ) OR ((( element rf algorithm ) OR ( element method algorithms )))).
• Adding a wildcard symbol may retrieve word variants: (("age modeling algorithm") OR ((("element rf algorithm") OR ("element method algorithms"))))*.