Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung dan luat slippers" » "dung dat luat slippers", "dung san luat slippers", "tung dan luat slippers", "dung dan luan slippers", "dung dap luat slippers", "dung dan lat slippers", "dung dan luat slippery", "dung dan luat grippers"
"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 dan luat 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 luat slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung dan luat slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung dan luat slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.