Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"hung van phan snippets" » "phung van phan snippets", "nhung van phan snippets", "dung van phan snippets", "hung van phong snippets", "hung van thanh snippets", "hung luan phan 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: (((("using java code snippets") OR ("hung van phan snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( hung van phan snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("hung van phan snippets"))) or ("locating bug core snippets"))*.