Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets", "dung java java slippers"
"duc cac dac snippets" » "duoc cac dac snippets", "tuc cac dac snippets", "muc cac dac snippets", "duc cac dan snippets", "duc cac dai snippets", "duc cac bac snippets", "duc cac dac slippers"
"locating bug code snippets" » "locating bug code slippers", "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 java java snippets") or ("duc cac dac snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("duc cac dac snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( duc cac dac snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("duc cac dac snippets"))) or ("locating bug code snippets"))*.