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