Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung do hai slippers" » "dung doi hai slippers", "dung co hai slippers", "dung de hai slippers", "dung do thai slippers", "dung doc hai slippers", "dung do dai slippers", "dung do hai slippery", "dung do hai 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 java java snippets") or ("dung do hai slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("dung do hai slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dung do hai slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dung do hai slippers"))) or ("locating bug code snippets"))*.