Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung thu chan snippets" » "ung thu chan snippets", "dung phu chan snippets", "dung thi chan snippets", "dung thuc chan snippets", "dung thu nhan snippets", "dung chu chan snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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 thu chan snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung thu chan snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung thu chan snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung thu chan snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.