Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"dung viet dat snippets" » "nang viet dat snippets", "cong viet dat snippets", "mang viet dat snippets", "dung viec dat snippets", "dung viet da snippets", "dung viet dao snippets", "dung viet dat slippers"
"dung java java snippets" » "dung va java snippets", "dung java java slippers"

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"dung viet dat snippets\") OR (\"dung java java snippets\"))) OR (\"locating bugs code snippets\"))~".
• Removing quotes may allow a broader search: (((( dung viet dat snippets ) OR ( dung java java snippets ))) OR ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dung viet dat snippets") OR ("dung java java snippets"))) OR ("locating bugs code snippets"))*.