Perhaps you should try some spelling variations:
"types algorithms" » "type algorithm", "trees algorithms", "access algorithms"
"type algorithms" » "line algorithms"
"tree algorithms" » "tree algorithm"

Try widening your search to All Fields.

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("types algorithms") OR ("type algorithms"))) OR ("tree algorithms")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"types algorithms\") OR (\"type algorithms\"))) or (\"tree algorithms\"))".
• Removing quotes may allow a broader search: (((( types algorithms ) OR ( type algorithms ))) or ( tree algorithms )).
• Adding a wildcard symbol may retrieve word variants: (((("types algorithms") OR ("type algorithms"))) or ("tree algorithms"))*.