Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"dung java java snippets" » "dung va java snippets"
"dung quan long snippets" » "dung quang long snippets", "dung luan long snippets", "luong quan long snippets", "dung quan lang snippets", "dung quan dong snippets", "dung quan hoang snippets"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung java java snippets") or ("dung quan long snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("dung quan long snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dung quan long snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dung quan long snippets"))) or ("locating bugs code snippets"))*.