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