Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung ke cho snippets" » "dung kem cho snippets", "dung ket cho snippets", "dung he cho snippets", "dung keo cho snippets", "dung ke che snippets", "dung ke co 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 ke cho 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 ke cho snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung ke cho snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung ke cho snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.