Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"using raw java snippets" » "using real java snippets", "using a java snippets", "using low java snippets", "using raw java slippers"
"nam tra van snippets" » "nam tro van snippets", "nam thai van snippets", "dam trao van snippets", "nam tran van snippets", "nam ta van snippets", "nam trang van snippets", "nam tra van slippers"

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: (((("nam tra van snippets") OR ("using raw java snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( nam tra van snippets ) or ( using raw java snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("nam tra van snippets") or ("using raw java snippets"))) or ("locating bugs code snippets"))*.