Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung am thuc slippers" » "dung lam thuc slippers", "dung nam thuc slippers", "dung cam thuc slippers", "dung am thu slippers", "dung am thuc slippery", "dung am thuc 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 am thuc 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 am thuc slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung am thuc slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung am thuc slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.