Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van duong nguoc snippets" » "van duong ngoc snippets", "van luong nguon snippets", "van dung nguoi snippets", "van dong nguoc snippets", "van dung nguoc snippets", "van phong nguoc snippets"
"using a java snippets" » "using _ java snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("using a java snippets") or ("van duong nguoc snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using a java snippets") OR ("van duong nguoc snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( using a java snippets ) or ( van duong nguoc snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using a java snippets") or ("van duong nguoc snippets"))) or ("locating bug core snippets"))*.