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"
"viet van van snippets" » "viet nam van snippets", "viet anh van snippets", "viet ha van snippets", "viet van ban snippets", "viet tan van snippets", "viet san van snippets", "viet van van slippers"

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

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