Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"dung trung do snippets" » "dung trong do snippets", "quang trung do snippets", "truong trung do snippets", "dung trung bo snippets", "dung trung co snippets", "dung trung du snippets"
"dung java java snippets" » "dung va java snippets"

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 trung do snippets\") OR (\"dung java java snippets\"))) OR (\"locating bugs code snippets\"))~".
• Removing quotes may allow a broader search: (((( dung trung do snippets ) OR ( dung java java snippets ))) OR ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dung trung do snippets") OR ("dung java java snippets"))) OR ("locating bugs code snippets"))*.