Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung cu which slippers" » "dung chu thich slippers", "dung cuu thich slippers", "dung cua which slippers", "dung co which slippers", "dung cho which slippers", "dung cu which slippery", "dung cu which 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 cu which 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 cu which slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dung cu which slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dung cu which slippers"))) or ("locating bug code snippets"))*.