Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets"
"va duong code snippets" » "va duong co snippets", "va duong cong snippets", "va duong che snippets", "van duong code snippets", "va tuong code snippets", "va huong 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: (((("using java java snippets") OR ("va duong code snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java java snippets ) or ( va duong code snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java java snippets") or ("va duong code snippets"))) or ("locating bug core snippets"))*.