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