Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"dung java java snippets" » "dung va java snippets"
"dong van he snippets" » "duong van he snippets", "dang van he snippets", "dong von he snippets", "dong van hoe snippets", "dong van hue snippets", "dong van de 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 ("dong van he snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dong van he snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dong van he snippets"))) or ("locating bugs code snippets"))*.