Perhaps you should try some spelling variations:
"query processing algorithm" » "query modeling algorithm" (Expand Search), "query routing algorithm" (Expand Search), "query tracking algorithm" (Expand Search), "pre processing algorithm" (Expand Search)
"elements three algorithms" » "elements forest algorithms" (Expand Search), "elements based algorithms" (Expand Search), "elements art algorithms" (Expand Search), "elements ree algorithms" (Expand Search), "element ree algorithms" (Expand Search), "elements res algorithms" (Expand Search)
"element rl algorithm" » "element rl algorithms" (Expand Search), "element rf algorithm" (Expand Search), "element ml algorithms" (Expand Search), "element ore algorithm" (Expand Search), "element ree algorithm" (Expand Search), "element _ 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: "((((\"query processing algorithm\") OR (\"element rl algorithm\"))) OR (\"elements three algorithms\"))~".
• Removing quotes may allow a broader search: (((( query processing algorithm ) OR ( element rl algorithm ))) OR ( elements three algorithms ))~.
• Adding a wildcard symbol may retrieve word variants: (((("query processing algorithm") OR ("element rl algorithm"))) OR ("elements three algorithms"))*.