Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dan dung dan slippers" » "van dung dan slippers", "tin dung dan slippers", "ap dung dan slippers", "dan dung dat slippers", "dan dung san slippers", "dan tung dan slippers", "dan dung dan slippery", "dan dung dan 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: (((("dan dung dan slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan dung dan slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan dung dan slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan dung dan slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.