Perhaps you should try some spelling variations:
"query processing algorithm" » "query processing algorithms" (Expand Search), "text processing algorithm" (Expand Search)
"present model algorithm" » "present mould algorithm" (Expand Search)
"element data algorithm" » "element jaya algorithm" (Expand Search), "element deer algorithm" (Expand Search), "elements data 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 data algorithm\"))) OR (\"present model algorithm\"))~".
• Removing quotes may allow a broader search: (((( query processing algorithm ) OR ( element data algorithm ))) OR ( present model algorithm ))~.
• Adding a wildcard symbol may retrieve word variants: (((("query processing algorithm") OR ("element data algorithm"))) OR ("present model algorithm"))*.