Perhaps you should try some spelling variations:
"tests sorting algorithms" » "tests routing algorithm" (Expand Search), "tests learning algorithms" (Expand Search), "waste sorting algorithms" (Expand Search), "test setting algorithms" (Expand Search)
"elements method algorithm" » "elements network algorithm" (Expand Search), "elements means algorithm" (Expand Search), "elements mean algorithm" (Expand Search), "element method algorithm" (Expand Search)
"effects using algorithms" » "effects pacing algorithms" (Expand Search), "effects nine algorithms" (Expand Search), "effects finding algorithms" (Expand Search), "events using 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: (("elements method algorithm") OR ((("tests sorting algorithms") OR ("effects using algorithms"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"elements method algorithm\") OR (((\"tests sorting algorithms\") OR (\"effects using algorithms\"))))".
• Removing quotes may allow a broader search: (( elements method algorithm ) OR ((( tests sorting algorithms ) OR ( effects using algorithms )))).
• Adding a wildcard symbol may retrieve word variants: (("elements method algorithm") OR ((("tests sorting algorithms") OR ("effects using algorithms"))))*.