Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung dan vat slippers" » "dung dat vat slippers", "dung san vat slippers", "tung dan vat slippers", "dung dang vat slippers", "dung van vat slippers", "dung dan va slippers", "dung dan vat slippery", "dung dan vat grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

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

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