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