Perhaps you should try some spelling variations:
"data using java snippets" » "data using data snippets"
"dan vung code snippets" » "dan bug code snippets", "dan vung co snippets", "dan dung code snippets", "dao vung code snippets", "dang hung code snippets"
"locating bug core snippets" » "locating bug code snippets"

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: (((("dan vung code snippets") OR ("data using java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( dan vung code snippets ) or ( data using java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dan vung code snippets") or ("data using java snippets"))) or ("locating bug core snippets"))*.