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