Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"dung java java snippets" » "dung va java snippets"
"van hanh can snippets" » "van thanh can snippets", "ban hanh can snippets", "van anh can snippets", "van hanh san snippets", "van hanh cac snippets", "van hanh cat 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: (((("dung java java snippets") OR ("van hanh can snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( van hanh can snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("van hanh can snippets"))) or ("locating bugs code snippets"))*.