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