Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"van hoan van snippets" » "van hoang van snippets", "van hoa van snippets", "van toan van snippets", "van doan van snippets", "van hoan van slippers"
"using a java snippets" » "using _ java snippets", "using a java 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: (((("van hoan van snippets") OR ("using a java snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( van hoan van snippets ) or ( using a java snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("van hoan van snippets") or ("using a java snippets"))) or ("locating bugs code snippets"))*.