Perhaps you should try some spelling variations:
"elements method algorithm" » "elements mould algorithm" (Expand Search)
"effects using algorithms" » "effects cosine algorithm" (Expand Search), "effects cosine algorithms" (Expand Search)
"tested using algorithm" » "tested cosine algorithm" (Expand Search), "system using algorithm" (Expand Search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"elements method algorithm\") OR (((\"tested using algorithm\") OR (\"effects using algorithms\"))))~".
• Removing quotes may allow a broader search: (( elements method algorithm ) OR ((( tested using algorithm ) OR ( effects using algorithms ))))~.
• Adding a wildcard symbol may retrieve word variants: (("elements method algorithm") OR ((("tested using algorithm") OR ("effects using algorithms"))))*.