Perhaps you should try some spelling variations:
"element content algorithm" » "element consistent algorithm" (Expand Search), "element control algorithm" (Expand Search), "element monte algorithm" (Expand Search)
"level coding algorithm" » "level cosine algorithm" (Expand Search), "level modeling algorithm" (Expand Search), "level finding algorithm" (Expand Search), "level according algorithm" (Expand Search), "level using algorithm" (Expand Search)
"elements tree algorithms" » "elements three algorithms" (Expand Search), "elements art algorithms" (Expand Search), "elements two algorithms" (Expand Search), "elements ree algorithms" (Expand Search), "element ree algorithms" (Expand Search), "elements res algorithms" (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: "((((\"element content algorithm\") OR (\"elements tree algorithms\"))) OR (\"level coding algorithm\"))~".
• Removing quotes may allow a broader search: (((( element content algorithm ) OR ( elements tree algorithms ))) OR ( level coding algorithm ))~.
• Adding a wildcard symbol may retrieve word variants: (((("element content algorithm") OR ("elements tree algorithms"))) OR ("level coding algorithm"))*.