Perhaps you should try some spelling variations:
"using raw java snippets" » "using real java snippets", "using a java snippets", "using low java snippets", "using raw java slippers"
"van toan ban snippets" » "van tuan ban snippets", "van tan ban snippets", "van thanh ban snippets", "van van ban snippets", "van toan ban slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("van toan ban snippets") OR ("using raw java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( van toan ban snippets ) or ( using raw java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("van toan ban snippets") or ("using raw java snippets"))) or ("locating bug code snippets"))*.