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