Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java code snippets" » "using data code snippets"
"tung duy den snippets" » "luong duy den snippets", "quang duy den snippets", "vuong duy den snippets", "tung day den snippets", "tung duy de snippets", "tung duy dung 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: (((("using java code snippets") OR ("tung duy den snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( tung duy den snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("tung duy den snippets"))) or ("locating bugs code snippets"))*.