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